40590625

素因数分解:

$5^5\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 52496640

約数和(自身を除く): 11906015

約数列:

[1, 5, 25, 31, 125, 155, 419, 625, 775, 2095, 3125, 3875, 10475, 12989, 19375, 52375, 64945, 96875, 261875, 324725, 1309375, 1623625, 8118125, 40590625]

約数ペア:

[(1, 40590625), (5, 8118125), (25, 1623625), (31, 1309375), (125, 324725), (155, 261875), (419, 96875), (625, 64945), (775, 52375), (2095, 19375), (3125, 12989), (3875, 10475)]