1591120

素因数分解:

$2^4\times 5^1\times {\mathrm{19889}}^1$

素因数の和:19902

約数の個数: 20

約数和(自身を含む): 3699540

約数和(自身を除く): 2108420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19889, 39778, 79556, 99445, 159112, 198890, 318224, 397780, 795560, 1591120]

約数ペア:

[(1, 1591120), (2, 795560), (4, 397780), (5, 318224), (8, 198890), (10, 159112), (16, 99445), (20, 79556), (40, 39778), (80, 19889)]