40161640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9941}}^1$

素因数の和:10053

約数の個数: 32

約数和(自身を含む): 91267560

約数和(自身を除く): 51105920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 9941, 19882, 39764, 49705, 79528, 99410, 198820, 397640, 1004041, 2008082, 4016164, 5020205, 8032328, 10040410, 20080820, 40161640]

約数ペア:

[(1, 40161640), (2, 20080820), (4, 10040410), (5, 8032328), (8, 5020205), (10, 4016164), (20, 2008082), (40, 1004041), (101, 397640), (202, 198820), (404, 99410), (505, 79528), (808, 49705), (1010, 39764), (2020, 19882), (4040, 9941)]