4009240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 9110880

約数和(自身を除く): 5101640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 887, 904, 1130, 1774, 2260, 3548, 4435, 4520, 7096, 8870, 17740, 35480, 100231, 200462, 400924, 501155, 801848, 1002310, 2004620, 4009240]

約数ペア:

[(1, 4009240), (2, 2004620), (4, 1002310), (5, 801848), (8, 501155), (10, 400924), (20, 200462), (40, 100231), (113, 35480), (226, 17740), (452, 8870), (565, 7096), (887, 4520), (904, 4435), (1130, 3548), (1774, 2260)]