80867725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1063}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 106868160

約数和(自身を除く): 26000435

約数列:

[1, 5, 17, 25, 85, 179, 425, 895, 1063, 3043, 4475, 5315, 15215, 18071, 26575, 76075, 90355, 190277, 451775, 951385, 3234709, 4756925, 16173545, 80867725]

約数ペア:

[(1, 80867725), (5, 16173545), (17, 4756925), (25, 3234709), (85, 951385), (179, 451775), (425, 190277), (895, 90355), (1063, 76075), (3043, 26575), (4475, 18071), (5315, 15215)]