126860920

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3863}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 285858720

約数和(自身を除く): 158997800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 3863, 4105, 6568, 7726, 8210, 15452, 16420, 19315, 30904, 32840, 38630, 77260, 154520, 3171523, 6343046, 12686092, 15857615, 25372184, 31715230, 63430460, 126860920]

約数ペア:

[(1, 126860920), (2, 63430460), (4, 31715230), (5, 25372184), (8, 15857615), (10, 12686092), (20, 6343046), (40, 3171523), (821, 154520), (1642, 77260), (3284, 38630), (3863, 32840), (4105, 30904), (6568, 19315), (7726, 16420), (8210, 15452)]