100959280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5981}}^1$

素因数の和:6205

約数の個数: 40

約数和(自身を含む): 235882224

約数和(自身を除く): 134922944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 5981, 8440, 11962, 16880, 23924, 29905, 47848, 59810, 95696, 119620, 239240, 478480, 1261991, 2523982, 5047964, 6309955, 10095928, 12619910, 20191856, 25239820, 50479640, 100959280]

約数ペア:

[(1, 100959280), (2, 50479640), (4, 25239820), (5, 20191856), (8, 12619910), (10, 10095928), (16, 6309955), (20, 5047964), (40, 2523982), (80, 1261991), (211, 478480), (422, 239240), (844, 119620), (1055, 95696), (1688, 59810), (2110, 47848), (3376, 29905), (4220, 23924), (5981, 16880), (8440, 11962)]