25442500

素因数分解:

$2^2\times 5^4\times {\mathrm{10177}}^1$

素因数の和:10201

約数の個数: 30

約数和(自身を含む): 55643126

約数和(自身を除く): 30200626

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 10177, 20354, 40708, 50885, 101770, 203540, 254425, 508850, 1017700, 1272125, 2544250, 5088500, 6360625, 12721250, 25442500]

約数ペア:

[(1, 25442500), (2, 12721250), (4, 6360625), (5, 5088500), (10, 2544250), (20, 1272125), (25, 1017700), (50, 508850), (100, 254425), (125, 203540), (250, 101770), (500, 50885), (625, 40708), (1250, 20354), (2500, 10177)]