78809225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1601}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 107269920

約数和(自身を除く): 28460695

約数列:

[1, 5, 11, 25, 55, 179, 275, 895, 1601, 1969, 4475, 8005, 9845, 17611, 40025, 49225, 88055, 286579, 440275, 1432895, 3152369, 7164475, 15761845, 78809225]

約数ペア:

[(1, 78809225), (5, 15761845), (11, 7164475), (25, 3152369), (55, 1432895), (179, 440275), (275, 286579), (895, 88055), (1601, 49225), (1969, 40025), (4475, 17611), (8005, 9845)]