15679768820

素因数分解:

$2^2\times 5^1\times {\mathrm{4027}}^1\times {\mathrm{194683}}^1$

素因数の和:198719

約数の個数: 24

約数和(自身を含む): 32935860384

約数和(自身を除く): 17256091564

約数列:

[1, 2, 4, 5, 10, 20, 4027, 8054, 16108, 20135, 40270, 80540, 194683, 389366, 778732, 973415, 1946830, 3893660, 783988441, 1567976882, 3135953764, 3919942205, 7839884410, 15679768820]

約数ペア:

[(1, 15679768820), (2, 7839884410), (4, 3919942205), (5, 3135953764), (10, 1567976882), (20, 783988441), (4027, 3893660), (8054, 1946830), (16108, 973415), (20135, 778732), (40270, 389366), (80540, 194683)]