127776920

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{9479}}^1$

素因数の和:9827

約数の個数: 32

約数和(自身を含む): 288381600

約数和(自身を除く): 160604680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 9479, 13480, 18958, 37916, 47395, 75832, 94790, 189580, 379160, 3194423, 6388846, 12777692, 15972115, 25555384, 31944230, 63888460, 127776920]

約数ペア:

[(1, 127776920), (2, 63888460), (4, 31944230), (5, 25555384), (8, 15972115), (10, 12777692), (20, 6388846), (40, 3194423), (337, 379160), (674, 189580), (1348, 94790), (1685, 75832), (2696, 47395), (3370, 37916), (6740, 18958), (9479, 13480)]