29217640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16987}}^1$

素因数の和:17041

約数の個数: 32

約数和(自身を含む): 67272480

約数和(自身を除く): 38054840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16987, 33974, 67948, 84935, 135896, 169870, 339740, 679480, 730441, 1460882, 2921764, 3652205, 5843528, 7304410, 14608820, 29217640]

約数ペア:

[(1, 29217640), (2, 14608820), (4, 7304410), (5, 5843528), (8, 3652205), (10, 2921764), (20, 1460882), (40, 730441), (43, 679480), (86, 339740), (172, 169870), (215, 135896), (344, 84935), (430, 67948), (860, 33974), (1720, 16987)]