64333580

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{2251}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 135255120

約数和(自身を除く): 70921540

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2251, 2858, 4502, 5716, 7145, 9004, 11255, 14290, 22510, 28580, 45020, 3216679, 6433358, 12866716, 16083395, 32166790, 64333580]

約数ペア:

[(1, 64333580), (2, 32166790), (4, 16083395), (5, 12866716), (10, 6433358), (20, 3216679), (1429, 45020), (2251, 28580), (2858, 22510), (4502, 14290), (5716, 11255), (7145, 9004)]