38995060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 90387360

約数和(自身を除く): 51392300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 139, 166, 169, 260, 278, 332, 338, 415, 556, 676, 695, 830, 845, 1079, 1390, 1660, 1690, 1807, 2158, 2780, 3380, 3614, 4316, 5395, 7228, 9035, 10790, 11537, 14027, 18070, 21580, 23074, 23491, 28054, 36140, 46148, 46982, 56108, 57685, 70135, 93964, 115370, 117455, 140270, 149981, 230740, 234910, 280540, 299962, 469820, 599924, 749905, 1499810, 1949753, 2999620, 3899506, 7799012, 9748765, 19497530, 38995060]

約数ペア:

[(1, 38995060), (2, 19497530), (4, 9748765), (5, 7799012), (10, 3899506), (13, 2999620), (20, 1949753), (26, 1499810), (52, 749905), (65, 599924), (83, 469820), (130, 299962), (139, 280540), (166, 234910), (169, 230740), (260, 149981), (278, 140270), (332, 117455), (338, 115370), (415, 93964), (556, 70135), (676, 57685), (695, 56108), (830, 46982), (845, 46148), (1079, 36140), (1390, 28054), (1660, 23491), (1690, 23074), (1807, 21580), (2158, 18070), (2780, 14027), (3380, 11537), (3614, 10790), (4316, 9035), (5395, 7228)]