828016880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 1970391744

約数和(自身を除く): 1142374864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 401, 424, 487, 530, 802, 848, 974, 1060, 1604, 1948, 2005, 2120, 2435, 3208, 3896, 4010, 4240, 4870, 6416, 7792, 8020, 9740, 16040, 19480, 21253, 25811, 32080, 38960, 42506, 51622, 85012, 103244, 106265, 129055, 170024, 195287, 206488, 212530, 258110, 340048, 390574, 412976, 425060, 516220, 781148, 850120, 976435, 1032440, 1562296, 1700240, 1952870, 2064880, 3124592, 3905740, 7811480, 10350211, 15622960, 20700422, 41400844, 51751055, 82801688, 103502110, 165603376, 207004220, 414008440, 828016880]

約数ペア:

[(1, 828016880), (2, 414008440), (4, 207004220), (5, 165603376), (8, 103502110), (10, 82801688), (16, 51751055), (20, 41400844), (40, 20700422), (53, 15622960), (80, 10350211), (106, 7811480), (212, 3905740), (265, 3124592), (401, 2064880), (424, 1952870), (487, 1700240), (530, 1562296), (802, 1032440), (848, 976435), (974, 850120), (1060, 781148), (1604, 516220), (1948, 425060), (2005, 412976), (2120, 390574), (2435, 340048), (3208, 258110), (3896, 212530), (4010, 206488), (4240, 195287), (4870, 170024), (6416, 129055), (7792, 106265), (8020, 103244), (9740, 85012), (16040, 51622), (19480, 42506), (21253, 38960), (25811, 32080)]