202840520

素因数分解:

$2^3\times 5^1\times {\mathrm{5071013}}^1$

素因数の和:5071024

約数の個数: 16

約数和(自身を含む): 456391260

約数和(自身を除く): 253550740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5071013, 10142026, 20284052, 25355065, 40568104, 50710130, 101420260, 202840520]

約数ペア:

[(1, 202840520), (2, 101420260), (4, 50710130), (5, 40568104), (8, 25355065), (10, 20284052), (20, 10142026), (40, 5071013)]