2020123750

素因数分解:

$2^1\times 5^4\times {\mathrm{1616099}}^1$

素因数の和:1616121

約数の個数: 20

約数和(自身を含む): 3786522300

約数和(自身を除く): 1766398550

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1616099, 3232198, 8080495, 16160990, 40402475, 80804950, 202012375, 404024750, 1010061875, 2020123750]

約数ペア:

[(1, 2020123750), (2, 1010061875), (5, 404024750), (10, 202012375), (25, 80804950), (50, 40402475), (125, 16160990), (250, 8080495), (625, 3232198), (1250, 1616099)]