90341360

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2903}}^1$

素因数の和:3305

約数の個数: 40

約数和(自身を含む): 210656160

約数和(自身を除く): 120314800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 2903, 3112, 3890, 5806, 6224, 7780, 11612, 14515, 15560, 23224, 29030, 31120, 46448, 58060, 116120, 232240, 1129267, 2258534, 4517068, 5646335, 9034136, 11292670, 18068272, 22585340, 45170680, 90341360]

約数ペア:

[(1, 90341360), (2, 45170680), (4, 22585340), (5, 18068272), (8, 11292670), (10, 9034136), (16, 5646335), (20, 4517068), (40, 2258534), (80, 1129267), (389, 232240), (778, 116120), (1556, 58060), (1945, 46448), (2903, 31120), (3112, 29030), (3890, 23224), (5806, 15560), (6224, 14515), (7780, 11612)]