84781160

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3359}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 191116800

約数和(自身を除く): 106335640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 3359, 5048, 6310, 6718, 12620, 13436, 16795, 25240, 26872, 33590, 67180, 134360, 2119529, 4239058, 8478116, 10597645, 16956232, 21195290, 42390580, 84781160]

約数ペア:

[(1, 84781160), (2, 42390580), (4, 21195290), (5, 16956232), (8, 10597645), (10, 8478116), (20, 4239058), (40, 2119529), (631, 134360), (1262, 67180), (2524, 33590), (3155, 26872), (3359, 25240), (5048, 16795), (6310, 13436), (6718, 12620)]