40939730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7681}}^1$

素因数の和:7742

約数の個数: 32

約数和(自身を含む): 81306288

約数和(自身を除く): 40366558

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 7681, 15362, 38405, 76810, 99853, 199706, 314921, 499265, 629842, 998530, 1574605, 3149210, 4093973, 8187946, 20469865, 40939730]

約数ペア:

[(1, 40939730), (2, 20469865), (5, 8187946), (10, 4093973), (13, 3149210), (26, 1574605), (41, 998530), (65, 629842), (82, 499265), (130, 314921), (205, 199706), (410, 99853), (533, 76810), (1066, 38405), (2665, 15362), (5330, 7681)]