90489940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{44797}}^1$

素因数の和:44907

約数の個数: 24

約数和(自身を含む): 191914632

約数和(自身を除く): 101424692

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 44797, 89594, 179188, 223985, 447970, 895940, 4524497, 9048994, 18097988, 22622485, 45244970, 90489940]

約数ペア:

[(1, 90489940), (2, 45244970), (4, 22622485), (5, 18097988), (10, 9048994), (20, 4524497), (101, 895940), (202, 447970), (404, 223985), (505, 179188), (1010, 89594), (2020, 44797)]