77630020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 177020928

約数和(自身を除く): 99390908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2351, 2540, 3302, 4702, 6604, 8255, 9404, 11755, 16510, 23510, 30563, 33020, 47020, 61126, 122252, 152815, 298577, 305630, 597154, 611260, 1194308, 1492885, 2985770, 3881501, 5971540, 7763002, 15526004, 19407505, 38815010, 77630020]

約数ペア:

[(1, 77630020), (2, 38815010), (4, 19407505), (5, 15526004), (10, 7763002), (13, 5971540), (20, 3881501), (26, 2985770), (52, 1492885), (65, 1194308), (127, 611260), (130, 597154), (254, 305630), (260, 298577), (508, 152815), (635, 122252), (1270, 61126), (1651, 47020), (2351, 33020), (2540, 30563), (3302, 23510), (4702, 16510), (6604, 11755), (8255, 9404)]