40428625

素因数分解:

$5^3\times {\mathrm{503}}^1\times {\mathrm{643}}^1$

素因数の和:1161

約数の個数: 16

約数和(自身を含む): 50633856

約数和(自身を除く): 10205231

約数列:

[1, 5, 25, 125, 503, 643, 2515, 3215, 12575, 16075, 62875, 80375, 323429, 1617145, 8085725, 40428625]

約数ペア:

[(1, 40428625), (5, 8085725), (25, 1617145), (125, 323429), (503, 80375), (643, 62875), (2515, 16075), (3215, 12575)]