154016560

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1931}}^1$

素因数の和:2941

約数の個数: 40

約数和(自身を含む): 358633296

約数和(自身を除く): 204616736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1931, 1994, 3862, 3988, 4985, 7724, 7976, 9655, 9970, 15448, 15952, 19310, 19940, 30896, 38620, 39880, 77240, 79760, 154480, 1925207, 3850414, 7700828, 9626035, 15401656, 19252070, 30803312, 38504140, 77008280, 154016560]

約数ペア:

[(1, 154016560), (2, 77008280), (4, 38504140), (5, 30803312), (8, 19252070), (10, 15401656), (16, 9626035), (20, 7700828), (40, 3850414), (80, 1925207), (997, 154480), (1931, 79760), (1994, 77240), (3862, 39880), (3988, 38620), (4985, 30896), (7724, 19940), (7976, 19310), (9655, 15952), (9970, 15448)]