40002890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137941}}^1$

素因数の和:137977

約数の個数: 16

約数和(自身を含む): 74488680

約数和(自身を除く): 34485790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 137941, 275882, 689705, 1379410, 4000289, 8000578, 20001445, 40002890]

約数ペア:

[(1, 40002890), (2, 20001445), (5, 8000578), (10, 4000289), (29, 1379410), (58, 689705), (145, 275882), (290, 137941)]