1271120

素因数分解:

$2^4\times 5^1\times {\mathrm{15889}}^1$

素因数の和:15902

約数の個数: 20

約数和(自身を含む): 2955540

約数和(自身を除く): 1684420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15889, 31778, 63556, 79445, 127112, 158890, 254224, 317780, 635560, 1271120]

約数ペア:

[(1, 1271120), (2, 635560), (4, 317780), (5, 254224), (8, 158890), (10, 127112), (16, 79445), (20, 63556), (40, 31778), (80, 15889)]