78920375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{37139}}^1$

素因数の和:37171

約数の個数: 16

約数和(自身を含む): 104289120

約数和(自身を除く): 25368745

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 37139, 185695, 631363, 928475, 3156815, 4642375, 15784075, 78920375]

約数ペア:

[(1, 78920375), (5, 15784075), (17, 4642375), (25, 3156815), (85, 928475), (125, 631363), (425, 185695), (2125, 37139)]