205087160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{64901}}^1$

素因数の和:64991

約数の個数: 32

約数和(自身を含む): 467294400

約数和(自身を除く): 262207240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 64901, 129802, 259604, 324505, 519208, 649010, 1298020, 2596040, 5127179, 10254358, 20508716, 25635895, 41017432, 51271790, 102543580, 205087160]

約数ペア:

[(1, 205087160), (2, 102543580), (4, 51271790), (5, 41017432), (8, 25635895), (10, 20508716), (20, 10254358), (40, 5127179), (79, 2596040), (158, 1298020), (316, 649010), (395, 519208), (632, 324505), (790, 259604), (1580, 129802), (3160, 64901)]