1279375

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 20

約数和(自身を含む): 1686960

約数和(自身を除く): 407585

約数列:

[1, 5, 23, 25, 89, 115, 125, 445, 575, 625, 2047, 2225, 2875, 10235, 11125, 14375, 51175, 55625, 255875, 1279375]

約数ペア:

[(1, 1279375), (5, 255875), (23, 55625), (25, 51175), (89, 14375), (115, 11125), (125, 10235), (445, 2875), (575, 2225), (625, 2047)]