40564225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{9601}}^1$

素因数の和:9637

約数の個数: 18

約数和(自身を含む): 54472146

約数和(自身を除く): 13907921

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 9601, 48005, 124813, 240025, 624065, 1622569, 3120325, 8112845, 40564225]

約数ペア:

[(1, 40564225), (5, 8112845), (13, 3120325), (25, 1622569), (65, 624065), (169, 240025), (325, 124813), (845, 48005), (4225, 9601)]