8205123340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{10531}}^1$

素因数の和:10942

約数の個数: 48

約数和(自身を含む): 17410659840

約数和(自身を除く): 9205536500

約数列:

[1, 2, 4, 5, 10, 20, 163, 239, 326, 478, 652, 815, 956, 1195, 1630, 2390, 3260, 4780, 10531, 21062, 38957, 42124, 52655, 77914, 105310, 155828, 194785, 210620, 389570, 779140, 1716553, 2516909, 3433106, 5033818, 6866212, 8582765, 10067636, 12584545, 17165530, 25169090, 34331060, 50338180, 410256167, 820512334, 1641024668, 2051280835, 4102561670, 8205123340]

約数ペア:

[(1, 8205123340), (2, 4102561670), (4, 2051280835), (5, 1641024668), (10, 820512334), (20, 410256167), (163, 50338180), (239, 34331060), (326, 25169090), (478, 17165530), (652, 12584545), (815, 10067636), (956, 8582765), (1195, 6866212), (1630, 5033818), (2390, 3433106), (3260, 2516909), (4780, 1716553), (10531, 779140), (21062, 389570), (38957, 210620), (42124, 194785), (52655, 155828), (77914, 105310)]