28165820

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3677}}^1$

素因数の和:4069

約数の個数: 24

約数和(自身を含む): 59318784

約数和(自身を除く): 31152964

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3677, 3830, 7354, 7660, 14708, 18385, 36770, 73540, 1408291, 2816582, 5633164, 7041455, 14082910, 28165820]

約数ペア:

[(1, 28165820), (2, 14082910), (4, 7041455), (5, 5633164), (10, 2816582), (20, 1408291), (383, 73540), (766, 36770), (1532, 18385), (1915, 14708), (3677, 7660), (3830, 7354)]