64571380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{75083}}^1$

素因数の和:75135

約数の個数: 24

約数和(自身を含む): 138755232

約数和(自身を除く): 74183852

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 75083, 150166, 300332, 375415, 750830, 1501660, 3228569, 6457138, 12914276, 16142845, 32285690, 64571380]

約数ペア:

[(1, 64571380), (2, 32285690), (4, 16142845), (5, 12914276), (10, 6457138), (20, 3228569), (43, 1501660), (86, 750830), (172, 375415), (215, 300332), (430, 150166), (860, 75083)]