79520680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7559}}^1$

素因数の和:7833

約数の個数: 32

約数和(自身を含む): 179625600

約数和(自身を除く): 100104920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7559, 10520, 15118, 30236, 37795, 60472, 75590, 151180, 302360, 1988017, 3976034, 7952068, 9940085, 15904136, 19880170, 39760340, 79520680]

約数ペア:

[(1, 79520680), (2, 39760340), (4, 19880170), (5, 15904136), (8, 9940085), (10, 7952068), (20, 3976034), (40, 1988017), (263, 302360), (526, 151180), (1052, 75590), (1315, 60472), (2104, 37795), (2630, 30236), (5260, 15118), (7559, 10520)]