89700880

素因数分解:

$2^4\times 5^1\times {\mathrm{1121261}}^1$

素因数の和:1121274

約数の個数: 20

約数和(自身を含む): 208554732

約数和(自身を除く): 118853852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1121261, 2242522, 4485044, 5606305, 8970088, 11212610, 17940176, 22425220, 44850440, 89700880]

約数ペア:

[(1, 89700880), (2, 44850440), (4, 22425220), (5, 17940176), (8, 11212610), (10, 8970088), (16, 5606305), (20, 4485044), (40, 2242522), (80, 1121261)]