3886202020

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{389399}}^1$

素因数の和:389907

約数の個数: 24

約数和(自身を含む): 8177400000

約数和(自身を除く): 4291197980

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 389399, 778798, 1557596, 1946995, 3893990, 7787980, 194310101, 388620202, 777240404, 971550505, 1943101010, 3886202020]

約数ペア:

[(1, 3886202020), (2, 1943101010), (4, 971550505), (5, 777240404), (10, 388620202), (20, 194310101), (499, 7787980), (998, 3893990), (1996, 1946995), (2495, 1557596), (4990, 778798), (9980, 389399)]