28510225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 37229760

約数和(自身を除く): 8719535

約数列:

[1, 5, 23, 25, 115, 179, 277, 575, 895, 1385, 4117, 4475, 6371, 6925, 20585, 31855, 49583, 102925, 159275, 247915, 1140409, 1239575, 5702045, 28510225]

約数ペア:

[(1, 28510225), (5, 5702045), (23, 1239575), (25, 1140409), (115, 247915), (179, 159275), (277, 102925), (575, 49583), (895, 31855), (1385, 20585), (4117, 6925), (4475, 6371)]