2017793840

素因数分解:

$2^4\times 5^1\times {\mathrm{25222423}}^1$

素因数の和:25222436

約数の個数: 20

約数和(自身を含む): 4691370864

約数和(自身を除く): 2673577024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25222423, 50444846, 100889692, 126112115, 201779384, 252224230, 403558768, 504448460, 1008896920, 2017793840]

約数ペア:

[(1, 2017793840), (2, 1008896920), (4, 504448460), (5, 403558768), (8, 252224230), (10, 201779384), (16, 126112115), (20, 100889692), (40, 50444846), (80, 25222423)]