89929780

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{9011}}^1$

素因数の和:9519

約数の個数: 24

約数和(自身を含む): 189252000

約数和(自身を除く): 99322220

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9011, 9980, 18022, 36044, 45055, 90110, 180220, 4496489, 8992978, 17985956, 22482445, 44964890, 89929780]

約数ペア:

[(1, 89929780), (2, 44964890), (4, 22482445), (5, 17985956), (10, 8992978), (20, 4496489), (499, 180220), (998, 90110), (1996, 45055), (2495, 36044), (4990, 18022), (9011, 9980)]