25001540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12377}}^1$

素因数の和:12487

約数の個数: 24

約数和(自身を含む): 53027352

約数和(自身を除く): 28025812

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12377, 24754, 49508, 61885, 123770, 247540, 1250077, 2500154, 5000308, 6250385, 12500770, 25001540]

約数ペア:

[(1, 25001540), (2, 12500770), (4, 6250385), (5, 5000308), (10, 2500154), (20, 1250077), (101, 247540), (202, 123770), (404, 61885), (505, 49508), (1010, 24754), (2020, 12377)]