3485487640

素因数分解:

$2^3\times 5^1\times {\mathrm{87137191}}^1$

素因数の和:87137202

約数の個数: 16

約数和(自身を含む): 7842347280

約数和(自身を除く): 4356859640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 87137191, 174274382, 348548764, 435685955, 697097528, 871371910, 1742743820, 3485487640]

約数ペア:

[(1, 3485487640), (2, 1742743820), (4, 871371910), (5, 697097528), (8, 435685955), (10, 348548764), (20, 174274382), (40, 87137191)]