8391380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 9994540

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 113, 158, 188, 226, 235, 316, 395, 452, 470, 565, 790, 940, 1130, 1580, 2260, 3713, 5311, 7426, 8927, 10622, 14852, 17854, 18565, 21244, 26555, 35708, 37130, 44635, 53110, 74260, 89270, 106220, 178540, 419569, 839138, 1678276, 2097845, 4195690, 8391380]

約数ペア:

[(1, 8391380), (2, 4195690), (4, 2097845), (5, 1678276), (10, 839138), (20, 419569), (47, 178540), (79, 106220), (94, 89270), (113, 74260), (158, 53110), (188, 44635), (226, 37130), (235, 35708), (316, 26555), (395, 21244), (452, 18565), (470, 17854), (565, 14852), (790, 10622), (940, 8927), (1130, 7426), (1580, 5311), (2260, 3713)]