47408920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 126282240

約数和(自身を除く): 78873320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 173, 221, 248, 260, 310, 340, 346, 403, 442, 520, 527, 620, 680, 692, 806, 865, 884, 1054, 1105, 1240, 1384, 1612, 1730, 1768, 2015, 2108, 2210, 2249, 2635, 2941, 3224, 3460, 4030, 4216, 4420, 4498, 5270, 5363, 5882, 6851, 6920, 8060, 8840, 8996, 10540, 10726, 11245, 11764, 13702, 14705, 16120, 17992, 21080, 21452, 22490, 23528, 26815, 27404, 29410, 34255, 38233, 42904, 44980, 53630, 54808, 58820, 68510, 69719, 76466, 89960, 91171, 107260, 117640, 137020, 139438, 152932, 182342, 191165, 214520, 274040, 278876, 305864, 348595, 364684, 382330, 455855, 557752, 697190, 729368, 764660, 911710, 1185223, 1394380, 1529320, 1823420, 2370446, 2788760, 3646840, 4740892, 5926115, 9481784, 11852230, 23704460, 47408920]

約数ペア:

[(1, 47408920), (2, 23704460), (4, 11852230), (5, 9481784), (8, 5926115), (10, 4740892), (13, 3646840), (17, 2788760), (20, 2370446), (26, 1823420), (31, 1529320), (34, 1394380), (40, 1185223), (52, 911710), (62, 764660), (65, 729368), (68, 697190), (85, 557752), (104, 455855), (124, 382330), (130, 364684), (136, 348595), (155, 305864), (170, 278876), (173, 274040), (221, 214520), (248, 191165), (260, 182342), (310, 152932), (340, 139438), (346, 137020), (403, 117640), (442, 107260), (520, 91171), (527, 89960), (620, 76466), (680, 69719), (692, 68510), (806, 58820), (865, 54808), (884, 53630), (1054, 44980), (1105, 42904), (1240, 38233), (1384, 34255), (1612, 29410), (1730, 27404), (1768, 26815), (2015, 23528), (2108, 22490), (2210, 21452), (2249, 21080), (2635, 17992), (2941, 16120), (3224, 14705), (3460, 13702), (4030, 11764), (4216, 11245), (4420, 10726), (4498, 10540), (5270, 8996), (5363, 8840), (5882, 8060), (6851, 6920)]