40319225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{18121}}^1$

素因数の和:18220

約数の個数: 12

約数和(自身を含む): 50560380

約数和(自身を除く): 10241155

約数列:

[1, 5, 25, 89, 445, 2225, 18121, 90605, 453025, 1612769, 8063845, 40319225]

約数ペア:

[(1, 40319225), (5, 8063845), (25, 1612769), (89, 453025), (445, 90605), (2225, 18121)]