202318640

素因数分解:

$2^4\times 5^1\times {\mathrm{2528983}}^1$

素因数の和:2528996

約数の個数: 20

約数和(自身を含む): 470391024

約数和(自身を除く): 268072384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2528983, 5057966, 10115932, 12644915, 20231864, 25289830, 40463728, 50579660, 101159320, 202318640]

約数ペア:

[(1, 202318640), (2, 101159320), (4, 50579660), (5, 40463728), (8, 25289830), (10, 20231864), (16, 12644915), (20, 10115932), (40, 5057966), (80, 2528983)]