135678460

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{8263}}^1$

素因数の和:9093

約数の個数: 24

約数和(自身を含む): 285306336

約数和(自身を除く): 149627876

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 8263, 16420, 16526, 33052, 41315, 82630, 165260, 6783923, 13567846, 27135692, 33919615, 67839230, 135678460]

約数ペア:

[(1, 135678460), (2, 67839230), (4, 33919615), (5, 27135692), (10, 13567846), (20, 6783923), (821, 165260), (1642, 82630), (3284, 41315), (4105, 33052), (8210, 16526), (8263, 16420)]