15668736920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3593747}}^1$

素因数の和:3593867

約数の個数: 32

約数和(自身を含む): 35578105200

約数和(自身を除く): 19909368280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 3593747, 7187494, 14374988, 17968735, 28749976, 35937470, 71874940, 143749880, 391718423, 783436846, 1566873692, 1958592115, 3133747384, 3917184230, 7834368460, 15668736920]

約数ペア:

[(1, 15668736920), (2, 7834368460), (4, 3917184230), (5, 3133747384), (8, 1958592115), (10, 1566873692), (20, 783436846), (40, 391718423), (109, 143749880), (218, 71874940), (436, 35937470), (545, 28749976), (872, 17968735), (1090, 14374988), (2180, 7187494), (4360, 3593747)]