72867640

素因数分解:

$2^3\times 5^1\times {\mathrm{1821691}}^1$

素因数の和:1821702

約数の個数: 16

約数和(自身を含む): 163952280

約数和(自身を除く): 91084640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821691, 3643382, 7286764, 9108455, 14573528, 18216910, 36433820, 72867640]

約数ペア:

[(1, 72867640), (2, 36433820), (4, 18216910), (5, 14573528), (8, 9108455), (10, 7286764), (20, 3643382), (40, 1821691)]