64526800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12409}}^1$

素因数の和:12440

約数の個数: 60

約数和(自身を含む): 166964140

約数和(自身を除く): 102437340

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12409, 24818, 49636, 62045, 99272, 124090, 161317, 198544, 248180, 310225, 322634, 496360, 620450, 645268, 806585, 992720, 1240900, 1290536, 1613170, 2481800, 2581072, 3226340, 4032925, 4963600, 6452680, 8065850, 12905360, 16131700, 32263400, 64526800]

約数ペア:

[(1, 64526800), (2, 32263400), (4, 16131700), (5, 12905360), (8, 8065850), (10, 6452680), (13, 4963600), (16, 4032925), (20, 3226340), (25, 2581072), (26, 2481800), (40, 1613170), (50, 1290536), (52, 1240900), (65, 992720), (80, 806585), (100, 645268), (104, 620450), (130, 496360), (200, 322634), (208, 310225), (260, 248180), (325, 198544), (400, 161317), (520, 124090), (650, 99272), (1040, 62045), (1300, 49636), (2600, 24818), (5200, 12409)]