13215853520

素因数分解:

$2^4\times 5^1\times {\mathrm{165198169}}^1$

素因数の和:165198182

約数の個数: 20

約数和(自身を含む): 30726859620

約数和(自身を除く): 17511006100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165198169, 330396338, 660792676, 825990845, 1321585352, 1651981690, 2643170704, 3303963380, 6607926760, 13215853520]

約数ペア:

[(1, 13215853520), (2, 6607926760), (4, 3303963380), (5, 2643170704), (8, 1651981690), (10, 1321585352), (16, 825990845), (20, 660792676), (40, 330396338), (80, 165198169)]