56763640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3931}}^1$

素因数の和:3980

約数の個数: 48

約数和(自身を含む): 134828280

約数和(自身を除く): 78064640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 3931, 7220, 7862, 14440, 15724, 19655, 31448, 39310, 74689, 78620, 149378, 157240, 298756, 373445, 597512, 746890, 1419091, 1493780, 2838182, 2987560, 5676364, 7095455, 11352728, 14190910, 28381820, 56763640]

約数ペア:

[(1, 56763640), (2, 28381820), (4, 14190910), (5, 11352728), (8, 7095455), (10, 5676364), (19, 2987560), (20, 2838182), (38, 1493780), (40, 1419091), (76, 746890), (95, 597512), (152, 373445), (190, 298756), (361, 157240), (380, 149378), (722, 78620), (760, 74689), (1444, 39310), (1805, 31448), (2888, 19655), (3610, 15724), (3931, 14440), (7220, 7862)]