28038125

素因数分解:

$5^4\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 20

約数和(自身を含む): 35435532

約数和(自身を除く): 7397407

約数列:

[1, 5, 25, 113, 125, 397, 565, 625, 1985, 2825, 9925, 14125, 44861, 49625, 70625, 224305, 248125, 1121525, 5607625, 28038125]

約数ペア:

[(1, 28038125), (5, 5607625), (25, 1121525), (113, 248125), (125, 224305), (397, 70625), (565, 49625), (625, 44861), (1985, 14125), (2825, 9925)]