28471120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18731}}^1$

素因数の和:18763

約数の個数: 40

約数和(自身を含む): 69683040

約数和(自身を除く): 41211920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18731, 37462, 74924, 93655, 149848, 187310, 299696, 355889, 374620, 711778, 749240, 1423556, 1498480, 1779445, 2847112, 3558890, 5694224, 7117780, 14235560, 28471120]

約数ペア:

[(1, 28471120), (2, 14235560), (4, 7117780), (5, 5694224), (8, 3558890), (10, 2847112), (16, 1779445), (19, 1498480), (20, 1423556), (38, 749240), (40, 711778), (76, 374620), (80, 355889), (95, 299696), (152, 187310), (190, 149848), (304, 93655), (380, 74924), (760, 37462), (1520, 18731)]