40089574

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 71125056

約数和(自身を除く): 31035482

約数列:

[1, 2, 7, 14, 37, 74, 193, 259, 386, 401, 518, 802, 1351, 2702, 2807, 5614, 7141, 14282, 14837, 29674, 49987, 77393, 99974, 103859, 154786, 207718, 541751, 1083502, 2863541, 5727082, 20044787, 40089574]

約数ペア:

[(1, 40089574), (2, 20044787), (7, 5727082), (14, 2863541), (37, 1083502), (74, 541751), (193, 207718), (259, 154786), (386, 103859), (401, 99974), (518, 77393), (802, 49987), (1351, 29674), (2702, 14837), (2807, 14282), (5614, 7141)]