80080625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{7537}}^1$

素因数の和:7574

約数の個数: 20

約数和(自身を含む): 105969204

約数和(自身を除く): 25888579

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 7537, 10625, 37685, 128129, 188425, 640645, 942125, 3203225, 4710625, 16016125, 80080625]

約数ペア:

[(1, 80080625), (5, 16016125), (17, 4710625), (25, 3203225), (85, 942125), (125, 640645), (425, 188425), (625, 128129), (2125, 37685), (7537, 10625)]