56689640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{691}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 146482560

約数和(自身を除く): 89792920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 691, 1172, 1382, 1465, 2051, 2344, 2764, 2930, 3455, 4102, 4837, 5528, 5860, 6910, 8204, 9674, 10255, 11720, 13820, 16408, 19348, 20510, 24185, 27640, 38696, 41020, 48370, 82040, 96740, 193480, 202463, 404926, 809852, 1012315, 1417241, 1619704, 2024630, 2834482, 4049260, 5668964, 7086205, 8098520, 11337928, 14172410, 28344820, 56689640]

約数ペア:

[(1, 56689640), (2, 28344820), (4, 14172410), (5, 11337928), (7, 8098520), (8, 7086205), (10, 5668964), (14, 4049260), (20, 2834482), (28, 2024630), (35, 1619704), (40, 1417241), (56, 1012315), (70, 809852), (140, 404926), (280, 202463), (293, 193480), (586, 96740), (691, 82040), (1172, 48370), (1382, 41020), (1465, 38696), (2051, 27640), (2344, 24185), (2764, 20510), (2930, 19348), (3455, 16408), (4102, 13820), (4837, 11720), (5528, 10255), (5860, 9674), (6910, 8204)]