85753640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306263}}^1$

素因数の和:306281

約数の個数: 32

約数和(自身を含む): 220510080

約数和(自身を除く): 134756440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306263, 612526, 1225052, 1531315, 2143841, 2450104, 3062630, 4287682, 6125260, 8575364, 10719205, 12250520, 17150728, 21438410, 42876820, 85753640]

約数ペア:

[(1, 85753640), (2, 42876820), (4, 21438410), (5, 17150728), (7, 12250520), (8, 10719205), (10, 8575364), (14, 6125260), (20, 4287682), (28, 3062630), (35, 2450104), (40, 2143841), (56, 1531315), (70, 1225052), (140, 612526), (280, 306263)]