15953980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113957}}^1$

素因数の和:113973

約数の個数: 24

約数和(自身を含む): 38289888

約数和(自身を除く): 22335908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 113957, 227914, 455828, 569785, 797699, 1139570, 1595398, 2279140, 3190796, 3988495, 7976990, 15953980]

約数ペア:

[(1, 15953980), (2, 7976990), (4, 3988495), (5, 3190796), (7, 2279140), (10, 1595398), (14, 1139570), (20, 797699), (28, 569785), (35, 455828), (70, 227914), (140, 113957)]