75640225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 101645280

約数和(自身を除く): 26005055

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 4139, 18275, 20695, 70363, 103475, 177977, 351815, 889885, 1759075, 3025609, 4449425, 15128045, 75640225]

約数ペア:

[(1, 75640225), (5, 15128045), (17, 4449425), (25, 3025609), (43, 1759075), (85, 889885), (215, 351815), (425, 177977), (731, 103475), (1075, 70363), (3655, 20695), (4139, 18275)]