80909075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2417}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 109138848

約数和(自身を除く): 28229773

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 1339, 2417, 2575, 6695, 12085, 31421, 33475, 60425, 157105, 248951, 785525, 1244755, 3236363, 6223775, 16181815, 80909075]

約数ペア:

[(1, 80909075), (5, 16181815), (13, 6223775), (25, 3236363), (65, 1244755), (103, 785525), (325, 248951), (515, 157105), (1339, 60425), (2417, 33475), (2575, 31421), (6695, 12085)]