15915560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3863}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 20251480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3863, 4120, 7726, 15452, 19315, 30904, 38630, 77260, 154520, 397889, 795778, 1591556, 1989445, 3183112, 3978890, 7957780, 15915560]

約数ペア:

[(1, 15915560), (2, 7957780), (4, 3978890), (5, 3183112), (8, 1989445), (10, 1591556), (20, 795778), (40, 397889), (103, 154520), (206, 77260), (412, 38630), (515, 30904), (824, 19315), (1030, 15452), (2060, 7726), (3863, 4120)]