61872040

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1423}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 139438080

約数和(自身を除く): 77566040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 1423, 2174, 2846, 4348, 5435, 5692, 7115, 8696, 10870, 11384, 14230, 21740, 28460, 43480, 56920, 1546801, 3093602, 6187204, 7734005, 12374408, 15468010, 30936020, 61872040]

約数ペア:

[(1, 61872040), (2, 30936020), (4, 15468010), (5, 12374408), (8, 7734005), (10, 6187204), (20, 3093602), (40, 1546801), (1087, 56920), (1423, 43480), (2174, 28460), (2846, 21740), (4348, 14230), (5435, 11384), (5692, 10870), (7115, 8696)]