20129250440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{82891}}^1$

素因数の和:83382

約数の個数: 64

約数和(自身を含む): 48879754560

約数和(自身を除く): 28750504120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 467, 520, 934, 1868, 2335, 3736, 4670, 6071, 9340, 12142, 18680, 24284, 30355, 48568, 60710, 82891, 121420, 165782, 242840, 331564, 414455, 663128, 828910, 1077583, 1657820, 2155166, 3315640, 4310332, 5387915, 8620664, 10775830, 21551660, 38710097, 43103320, 77420194, 154840388, 193550485, 309680776, 387100970, 503231261, 774201940, 1006462522, 1548403880, 2012925044, 2516156305, 4025850088, 5032312610, 10064625220, 20129250440]

約数ペア:

[(1, 20129250440), (2, 10064625220), (4, 5032312610), (5, 4025850088), (8, 2516156305), (10, 2012925044), (13, 1548403880), (20, 1006462522), (26, 774201940), (40, 503231261), (52, 387100970), (65, 309680776), (104, 193550485), (130, 154840388), (260, 77420194), (467, 43103320), (520, 38710097), (934, 21551660), (1868, 10775830), (2335, 8620664), (3736, 5387915), (4670, 4310332), (6071, 3315640), (9340, 2155166), (12142, 1657820), (18680, 1077583), (24284, 828910), (30355, 663128), (48568, 414455), (60710, 331564), (82891, 242840), (121420, 165782)]