7964860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3943}}^1$

素因数の和:4053

約数の個数: 24

約数和(自身を含む): 16896096

約数和(自身を除く): 8931236

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 3943, 7886, 15772, 19715, 39430, 78860, 398243, 796486, 1592972, 1991215, 3982430, 7964860]

約数ペア:

[(1, 7964860), (2, 3982430), (4, 1991215), (5, 1592972), (10, 796486), (20, 398243), (101, 78860), (202, 39430), (404, 19715), (505, 15772), (1010, 7886), (2020, 3943)]