20183520080

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1320911}}^1$

素因数の和:1321115

約数の個数: 40

約数和(自身を含む): 47172409344

約数和(自身を除く): 26988889264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 1320911, 2641822, 5283644, 6604555, 10567288, 13209110, 21134576, 26418220, 52836440, 105672880, 252294001, 504588002, 1009176004, 1261470005, 2018352008, 2522940010, 4036704016, 5045880020, 10091760040, 20183520080]

約数ペア:

[(1, 20183520080), (2, 10091760040), (4, 5045880020), (5, 4036704016), (8, 2522940010), (10, 2018352008), (16, 1261470005), (20, 1009176004), (40, 504588002), (80, 252294001), (191, 105672880), (382, 52836440), (764, 26418220), (955, 21134576), (1528, 13209110), (1910, 10567288), (3056, 6604555), (3820, 5283644), (7640, 2641822), (15280, 1320911)]