4081025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 5650680

約数和(自身を除く): 1569655

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 433, 725, 1885, 2165, 5629, 9425, 10825, 12557, 28145, 62785, 140725, 163241, 313925, 816205, 4081025]

約数ペア:

[(1, 4081025), (5, 816205), (13, 313925), (25, 163241), (29, 140725), (65, 62785), (145, 28145), (325, 12557), (377, 10825), (433, 9425), (725, 5629), (1885, 2165)]