12123125

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 18444096

約数和(自身を除く): 6320971

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 163, 175, 425, 595, 625, 815, 875, 1141, 2125, 2771, 2975, 4075, 4375, 5705, 10625, 13855, 14875, 19397, 20375, 28525, 69275, 74375, 96985, 101875, 142625, 346375, 484925, 713125, 1731875, 2424625, 12123125]

約数ペア:

[(1, 12123125), (5, 2424625), (7, 1731875), (17, 713125), (25, 484925), (35, 346375), (85, 142625), (119, 101875), (125, 96985), (163, 74375), (175, 69275), (425, 28525), (595, 20375), (625, 19397), (815, 14875), (875, 13855), (1141, 10625), (2125, 5705), (2771, 4375), (2975, 4075)]