20227626250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1244777}}^1$

素因数の和:1244812

約数の個数: 40

約数和(自身を含む): 40831207956

約数和(自身を除く): 20603581706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 1244777, 2489554, 6223885, 12447770, 16182101, 31119425, 32364202, 62238850, 80910505, 155597125, 161821010, 311194250, 404552525, 777985625, 809105050, 1555971250, 2022762625, 4045525250, 10113813125, 20227626250]

約数ペア:

[(1, 20227626250), (2, 10113813125), (5, 4045525250), (10, 2022762625), (13, 1555971250), (25, 809105050), (26, 777985625), (50, 404552525), (65, 311194250), (125, 161821010), (130, 155597125), (250, 80910505), (325, 62238850), (625, 32364202), (650, 31119425), (1250, 16182101), (1625, 12447770), (3250, 6223885), (8125, 2489554), (16250, 1244777)]