80652940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 174182400

約数和(自身を除く): 93529460

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 239, 359, 470, 478, 718, 940, 956, 1195, 1436, 1795, 2390, 3590, 4780, 7180, 11233, 16873, 22466, 33746, 44932, 56165, 67492, 84365, 85801, 112330, 168730, 171602, 224660, 337460, 343204, 429005, 858010, 1716020, 4032647, 8065294, 16130588, 20163235, 40326470, 80652940]

約数ペア:

[(1, 80652940), (2, 40326470), (4, 20163235), (5, 16130588), (10, 8065294), (20, 4032647), (47, 1716020), (94, 858010), (188, 429005), (235, 343204), (239, 337460), (359, 224660), (470, 171602), (478, 168730), (718, 112330), (940, 85801), (956, 84365), (1195, 67492), (1436, 56165), (1795, 44932), (2390, 33746), (3590, 22466), (4780, 16873), (7180, 11233)]