56940920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 133747200

約数和(自身を除く): 76806280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 257, 290, 382, 514, 580, 764, 955, 1028, 1160, 1285, 1528, 1910, 2056, 2570, 3820, 5140, 5539, 7453, 7640, 10280, 11078, 14906, 22156, 27695, 29812, 37265, 44312, 49087, 55390, 59624, 74530, 98174, 110780, 149060, 196348, 221560, 245435, 298120, 392696, 490870, 981740, 1423523, 1963480, 2847046, 5694092, 7117615, 11388184, 14235230, 28470460, 56940920]

約数ペア:

[(1, 56940920), (2, 28470460), (4, 14235230), (5, 11388184), (8, 7117615), (10, 5694092), (20, 2847046), (29, 1963480), (40, 1423523), (58, 981740), (116, 490870), (145, 392696), (191, 298120), (232, 245435), (257, 221560), (290, 196348), (382, 149060), (514, 110780), (580, 98174), (764, 74530), (955, 59624), (1028, 55390), (1160, 49087), (1285, 44312), (1528, 37265), (1910, 29812), (2056, 27695), (2570, 22156), (3820, 14906), (5140, 11078), (5539, 10280), (7453, 7640)]