25991725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 9630995

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 2659, 9775, 13295, 45203, 61157, 66475, 226015, 305785, 1039669, 1130075, 1528925, 5198345, 25991725]

約数ペア:

[(1, 25991725), (5, 5198345), (17, 1528925), (23, 1130075), (25, 1039669), (85, 305785), (115, 226015), (391, 66475), (425, 61157), (575, 45203), (1955, 13295), (2659, 9775)]