30885860

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1571}}^1$

素因数の和:2563

約数の個数: 24

約数和(自身を含む): 64967616

約数和(自身を除く): 34081756

約数列:

[1, 2, 4, 5, 10, 20, 983, 1571, 1966, 3142, 3932, 4915, 6284, 7855, 9830, 15710, 19660, 31420, 1544293, 3088586, 6177172, 7721465, 15442930, 30885860]

約数ペア:

[(1, 30885860), (2, 15442930), (4, 7721465), (5, 6177172), (10, 3088586), (20, 1544293), (983, 31420), (1571, 19660), (1966, 15710), (3142, 9830), (3932, 7855), (4915, 6284)]