131250520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113147}}^1$

素因数の和:113187

約数の個数: 32

約数和(自身を含む): 305499600

約数和(自身を除く): 174249080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 113147, 226294, 452588, 565735, 905176, 1131470, 2262940, 3281263, 4525880, 6562526, 13125052, 16406315, 26250104, 32812630, 65625260, 131250520]

約数ペア:

[(1, 131250520), (2, 65625260), (4, 32812630), (5, 26250104), (8, 16406315), (10, 13125052), (20, 6562526), (29, 4525880), (40, 3281263), (58, 2262940), (116, 1131470), (145, 905176), (232, 565735), (290, 452588), (580, 226294), (1160, 113147)]