90880520

素因数分解:

$2^3\times 5^1\times {\mathrm{2272013}}^1$

素因数の和:2272024

約数の個数: 16

約数和(自身を含む): 204481260

約数和(自身を除く): 113600740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2272013, 4544026, 9088052, 11360065, 18176104, 22720130, 45440260, 90880520]

約数ペア:

[(1, 90880520), (2, 45440260), (4, 22720130), (5, 18176104), (8, 11360065), (10, 9088052), (20, 4544026), (40, 2272013)]