611875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 20

約数和(自身を含む): 843480

約数和(自身を除く): 231605

約数列:

[1, 5, 11, 25, 55, 89, 125, 275, 445, 625, 979, 1375, 2225, 4895, 6875, 11125, 24475, 55625, 122375, 611875]

約数ペア:

[(1, 611875), (5, 122375), (11, 55625), (25, 24475), (55, 11125), (89, 6875), (125, 4895), (275, 2225), (445, 1375), (625, 979)]