2018504720

素因数分解:

$2^4\times 5^1\times {\mathrm{25231309}}^1$

素因数の和:25231322

約数の個数: 20

約数和(自身を含む): 4693023660

約数和(自身を除く): 2674518940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25231309, 50462618, 100925236, 126156545, 201850472, 252313090, 403700944, 504626180, 1009252360, 2018504720]

約数ペア:

[(1, 2018504720), (2, 1009252360), (4, 504626180), (5, 403700944), (8, 252313090), (10, 201850472), (16, 126156545), (20, 100925236), (40, 50462618), (80, 25231309)]