139468720

素因数分解:

$2^4\times 5^1\times {\mathrm{1743359}}^1$

素因数の和:1743372

約数の個数: 20

約数和(自身を含む): 324264960

約数和(自身を除く): 184796240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1743359, 3486718, 6973436, 8716795, 13946872, 17433590, 27893744, 34867180, 69734360, 139468720]

約数ペア:

[(1, 139468720), (2, 69734360), (4, 34867180), (5, 27893744), (8, 17433590), (10, 13946872), (16, 8716795), (20, 6973436), (40, 3486718), (80, 1743359)]