42187580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26701}}^1$

素因数の和:26789

約数の個数: 24

約数和(自身を含む): 89718720

約数和(自身を除く): 47531140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26701, 53402, 106804, 133505, 267010, 534020, 2109379, 4218758, 8437516, 10546895, 21093790, 42187580]

約数ペア:

[(1, 42187580), (2, 21093790), (4, 10546895), (5, 8437516), (10, 4218758), (20, 2109379), (79, 534020), (158, 267010), (316, 133505), (395, 106804), (790, 53402), (1580, 26701)]