8220775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:108

約数の個数: 36

約数和(自身を含む): 11664432

約数和(自身を除く): 3443657

約数列:

[1, 5, 17, 23, 25, 29, 85, 115, 145, 391, 425, 493, 575, 667, 725, 841, 1955, 2465, 3335, 4205, 9775, 11339, 12325, 14297, 16675, 19343, 21025, 56695, 71485, 96715, 283475, 328831, 357425, 483575, 1644155, 8220775]

約数ペア:

[(1, 8220775), (5, 1644155), (17, 483575), (23, 357425), (25, 328831), (29, 283475), (85, 96715), (115, 71485), (145, 56695), (391, 21025), (425, 19343), (493, 16675), (575, 14297), (667, 12325), (725, 11339), (841, 9775), (1955, 4205), (2465, 3335)]