86397320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50231}}^1$

素因数の和:50285

約数の個数: 32

約数和(自身を含む): 198918720

約数和(自身を除く): 112521400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 50231, 100462, 200924, 251155, 401848, 502310, 1004620, 2009240, 2159933, 4319866, 8639732, 10799665, 17279464, 21599330, 43198660, 86397320]

約数ペア:

[(1, 86397320), (2, 43198660), (4, 21599330), (5, 17279464), (8, 10799665), (10, 8639732), (20, 4319866), (40, 2159933), (43, 2009240), (86, 1004620), (172, 502310), (215, 401848), (344, 251155), (430, 200924), (860, 100462), (1720, 50231)]