25885480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3067}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 58537440

約数和(自身を除く): 32651960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3067, 4220, 6134, 8440, 12268, 15335, 24536, 30670, 61340, 122680, 647137, 1294274, 2588548, 3235685, 5177096, 6471370, 12942740, 25885480]

約数ペア:

[(1, 25885480), (2, 12942740), (4, 6471370), (5, 5177096), (8, 3235685), (10, 2588548), (20, 1294274), (40, 647137), (211, 122680), (422, 61340), (844, 30670), (1055, 24536), (1688, 15335), (2110, 12268), (3067, 8440), (4220, 6134)]