7967980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3137}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 16869888

約数和(自身を除く): 8901908

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 3137, 6274, 12548, 15685, 31370, 62740, 398399, 796798, 1593596, 1991995, 3983990, 7967980]

約数ペア:

[(1, 7967980), (2, 3983990), (4, 1991995), (5, 1593596), (10, 796798), (20, 398399), (127, 62740), (254, 31370), (508, 15685), (635, 12548), (1270, 6274), (2540, 3137)]