28320625

素因数分解:

$5^4\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 20

約数和(自身を含む): 35791668

約数和(自身を除く): 7471043

約数列:

[1, 5, 25, 113, 125, 401, 565, 625, 2005, 2825, 10025, 14125, 45313, 50125, 70625, 226565, 250625, 1132825, 5664125, 28320625]

約数ペア:

[(1, 28320625), (5, 5664125), (25, 1132825), (113, 250625), (125, 226565), (401, 70625), (565, 50125), (625, 45313), (2005, 14125), (2825, 10025)]