51821875

素因数分解:

$5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 77995008

約数和(自身を除く): 26173133

約数列:

[1, 5, 7, 23, 25, 35, 103, 115, 125, 161, 175, 515, 575, 625, 721, 805, 875, 2369, 2575, 2875, 3125, 3605, 4025, 4375, 11845, 12875, 14375, 16583, 18025, 20125, 21875, 59225, 64375, 71875, 82915, 90125, 100625, 296125, 321875, 414575, 450625, 503125, 1480625, 2072875, 2253125, 7403125, 10364375, 51821875]

約数ペア:

[(1, 51821875), (5, 10364375), (7, 7403125), (23, 2253125), (25, 2072875), (35, 1480625), (103, 503125), (115, 450625), (125, 414575), (161, 321875), (175, 296125), (515, 100625), (575, 90125), (625, 82915), (721, 71875), (805, 64375), (875, 59225), (2369, 21875), (2575, 20125), (2875, 18025), (3125, 16583), (3605, 14375), (4025, 12875), (4375, 11845)]