89800520

素因数分解:

$2^3\times 5^1\times {\mathrm{2245013}}^1$

素因数の和:2245024

約数の個数: 16

約数和(自身を含む): 202051260

約数和(自身を除く): 112250740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2245013, 4490026, 8980052, 11225065, 17960104, 22450130, 44900260, 89800520]

約数ペア:

[(1, 89800520), (2, 44900260), (4, 22450130), (5, 17960104), (8, 11225065), (10, 8980052), (20, 4490026), (40, 2245013)]