12863125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1902

約数の個数: 20

約数和(自身を含む): 17544384

約数和(自身を除く): 4681259

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 1871, 6875, 9355, 20581, 46775, 102905, 233875, 514525, 1169375, 2572625, 12863125]

約数ペア:

[(1, 12863125), (5, 2572625), (11, 1169375), (25, 514525), (55, 233875), (125, 102905), (275, 46775), (625, 20581), (1375, 9355), (1871, 6875)]