40019196880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{20879}}^1$

素因数の和:21021

約数の個数: 160

約数和(自身を含む): 106568179200

約数和(自身を除く): 66548982320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 97, 104, 130, 152, 190, 194, 208, 247, 260, 304, 380, 388, 485, 494, 520, 760, 776, 970, 988, 1040, 1235, 1261, 1520, 1552, 1843, 1940, 1976, 2470, 2522, 3686, 3880, 3952, 4940, 5044, 6305, 7372, 7760, 9215, 9880, 10088, 12610, 14744, 18430, 19760, 20176, 20879, 23959, 25220, 29488, 36860, 41758, 47918, 50440, 73720, 83516, 95836, 100880, 104395, 119795, 147440, 167032, 191672, 208790, 239590, 271427, 334064, 383344, 396701, 417580, 479180, 542854, 793402, 835160, 958360, 1085708, 1357135, 1586804, 1670320, 1916720, 1983505, 2025263, 2171416, 2714270, 3173608, 3967010, 4050526, 4342832, 5157113, 5428540, 6347216, 7934020, 8101052, 10126315, 10314226, 10857080, 15868040, 16202104, 20252630, 20628452, 21714160, 25785565, 26328419, 31736080, 32404208, 38479997, 40505260, 41256904, 51571130, 52656838, 76959994, 81010520, 82513808, 103142260, 105313676, 131642095, 153919988, 162021040, 192399985, 206284520, 210627352, 263284190, 307839976, 384799970, 412569040, 421254704, 500239961, 526568380, 615679952, 769599940, 1000479922, 1053136760, 1539199880, 2000959844, 2106273520, 2501199805, 3078399760, 4001919688, 5002399610, 8003839376, 10004799220, 20009598440, 40019196880]

約数ペア:

[(1, 40019196880), (2, 20009598440), (4, 10004799220), (5, 8003839376), (8, 5002399610), (10, 4001919688), (13, 3078399760), (16, 2501199805), (19, 2106273520), (20, 2000959844), (26, 1539199880), (38, 1053136760), (40, 1000479922), (52, 769599940), (65, 615679952), (76, 526568380), (80, 500239961), (95, 421254704), (97, 412569040), (104, 384799970), (130, 307839976), (152, 263284190), (190, 210627352), (194, 206284520), (208, 192399985), (247, 162021040), (260, 153919988), (304, 131642095), (380, 105313676), (388, 103142260), (485, 82513808), (494, 81010520), (520, 76959994), (760, 52656838), (776, 51571130), (970, 41256904), (988, 40505260), (1040, 38479997), (1235, 32404208), (1261, 31736080), (1520, 26328419), (1552, 25785565), (1843, 21714160), (1940, 20628452), (1976, 20252630), (2470, 16202104), (2522, 15868040), (3686, 10857080), (3880, 10314226), (3952, 10126315), (4940, 8101052), (5044, 7934020), (6305, 6347216), (7372, 5428540), (7760, 5157113), (9215, 4342832), (9880, 4050526), (10088, 3967010), (12610, 3173608), (14744, 2714270), (18430, 2171416), (19760, 2025263), (20176, 1983505), (20879, 1916720), (23959, 1670320), (25220, 1586804), (29488, 1357135), (36860, 1085708), (41758, 958360), (47918, 835160), (50440, 793402), (73720, 542854), (83516, 479180), (95836, 417580), (100880, 396701), (104395, 383344), (119795, 334064), (147440, 271427), (167032, 239590), (191672, 208790)]