203438721025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{3251}}^1\times {\mathrm{61051}}^1$

素因数の和:64353

約数の個数: 24

約数和(自身を含む): 258500517408

約数和(自身を除く): 55061796383

約数列:

[1, 5, 25, 41, 205, 1025, 3251, 16255, 61051, 81275, 133291, 305255, 666455, 1526275, 2503091, 3332275, 12515455, 62577275, 198476801, 992384005, 4961920025, 8137548841, 40687744205, 203438721025]

約数ペア:

[(1, 203438721025), (5, 40687744205), (25, 8137548841), (41, 4961920025), (205, 992384005), (1025, 198476801), (3251, 62577275), (16255, 12515455), (61051, 3332275), (81275, 2503091), (133291, 1526275), (305255, 666455)]