1081640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3863}}^1$

素因数の和:3881

約数の個数: 32

約数和(自身を含む): 2782080

約数和(自身を除く): 1700440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3863, 7726, 15452, 19315, 27041, 30904, 38630, 54082, 77260, 108164, 135205, 154520, 216328, 270410, 540820, 1081640]

約数ペア:

[(1, 1081640), (2, 540820), (4, 270410), (5, 216328), (7, 154520), (8, 135205), (10, 108164), (14, 77260), (20, 54082), (28, 38630), (35, 30904), (40, 27041), (56, 19315), (70, 15452), (140, 7726), (280, 3863)]