7640750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 15410304

約数和(自身を除く): 7769554

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 2351, 3250, 4702, 11755, 23510, 30563, 58775, 61126, 117550, 152815, 293875, 305630, 587750, 764075, 1528150, 3820375, 7640750]

約数ペア:

[(1, 7640750), (2, 3820375), (5, 1528150), (10, 764075), (13, 587750), (25, 305630), (26, 293875), (50, 152815), (65, 117550), (125, 61126), (130, 58775), (250, 30563), (325, 23510), (650, 11755), (1625, 4702), (2351, 3250)]