30868520

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1223}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 69621120

約数和(自身を除く): 38752600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1223, 1262, 2446, 2524, 3155, 4892, 5048, 6115, 6310, 9784, 12230, 12620, 24460, 25240, 48920, 771713, 1543426, 3086852, 3858565, 6173704, 7717130, 15434260, 30868520]

約数ペア:

[(1, 30868520), (2, 15434260), (4, 7717130), (5, 6173704), (8, 3858565), (10, 3086852), (20, 1543426), (40, 771713), (631, 48920), (1223, 25240), (1262, 24460), (2446, 12620), (2524, 12230), (3155, 9784), (4892, 6310), (5048, 6115)]