126640520

素因数分解:

$2^3\times 5^1\times {\mathrm{3166013}}^1$

素因数の和:3166024

約数の個数: 16

約数和(自身を含む): 284941260

約数和(自身を除く): 158300740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3166013, 6332026, 12664052, 15830065, 25328104, 31660130, 63320260, 126640520]

約数ペア:

[(1, 126640520), (2, 63320260), (4, 31660130), (5, 25328104), (8, 15830065), (10, 12664052), (20, 6332026), (40, 3166013)]