81246340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{580331}}^1$

素因数の和:580347

約数の個数: 24

約数和(自身を含む): 194991552

約数和(自身を除く): 113745212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 580331, 1160662, 2321324, 2901655, 4062317, 5803310, 8124634, 11606620, 16249268, 20311585, 40623170, 81246340]

約数ペア:

[(1, 81246340), (2, 40623170), (4, 20311585), (5, 16249268), (7, 11606620), (10, 8124634), (14, 5803310), (20, 4062317), (28, 2901655), (35, 2321324), (70, 1160662), (140, 580331)]