408024040

素因数分解:

$2^3\times 5^1\times {\mathrm{10200601}}^1$

素因数の和:10200612

約数の個数: 16

約数和(自身を含む): 918054180

約数和(自身を除く): 510030140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10200601, 20401202, 40802404, 51003005, 81604808, 102006010, 204012020, 408024040]

約数ペア:

[(1, 408024040), (2, 204012020), (4, 102006010), (5, 81604808), (8, 51003005), (10, 40802404), (20, 20401202), (40, 10200601)]