79543880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 207446400

約数和(自身を除く): 127902520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 83, 95, 97, 104, 130, 152, 166, 190, 194, 247, 260, 332, 380, 388, 415, 485, 494, 520, 664, 760, 776, 830, 970, 988, 1079, 1235, 1261, 1577, 1660, 1843, 1940, 1976, 2158, 2470, 2522, 3154, 3320, 3686, 3880, 4316, 4940, 5044, 5395, 6305, 6308, 7372, 7885, 8051, 8632, 9215, 9880, 10088, 10790, 12610, 12616, 14744, 15770, 16102, 18430, 20501, 21580, 23959, 25220, 31540, 32204, 36860, 40255, 41002, 43160, 47918, 50440, 63080, 64408, 73720, 80510, 82004, 95836, 102505, 104663, 119795, 152969, 161020, 164008, 191672, 205010, 209326, 239590, 305938, 322040, 410020, 418652, 479180, 523315, 611876, 764845, 820040, 837304, 958360, 1046630, 1223752, 1529690, 1988597, 2093260, 3059380, 3977194, 4186520, 6118760, 7954388, 9942985, 15908776, 19885970, 39771940, 79543880]

約数ペア:

[(1, 79543880), (2, 39771940), (4, 19885970), (5, 15908776), (8, 9942985), (10, 7954388), (13, 6118760), (19, 4186520), (20, 3977194), (26, 3059380), (38, 2093260), (40, 1988597), (52, 1529690), (65, 1223752), (76, 1046630), (83, 958360), (95, 837304), (97, 820040), (104, 764845), (130, 611876), (152, 523315), (166, 479180), (190, 418652), (194, 410020), (247, 322040), (260, 305938), (332, 239590), (380, 209326), (388, 205010), (415, 191672), (485, 164008), (494, 161020), (520, 152969), (664, 119795), (760, 104663), (776, 102505), (830, 95836), (970, 82004), (988, 80510), (1079, 73720), (1235, 64408), (1261, 63080), (1577, 50440), (1660, 47918), (1843, 43160), (1940, 41002), (1976, 40255), (2158, 36860), (2470, 32204), (2522, 31540), (3154, 25220), (3320, 23959), (3686, 21580), (3880, 20501), (4316, 18430), (4940, 16102), (5044, 15770), (5395, 14744), (6305, 12616), (6308, 12610), (7372, 10790), (7885, 10088), (8051, 9880), (8632, 9215)]