858360080

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{8311}}^1$

素因数の和:9615

約数の個数: 40

約数和(自身を含む): 1997473344

約数和(自身を除く): 1139113264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 2582, 5164, 6455, 8311, 10328, 12910, 16622, 20656, 25820, 33244, 41555, 51640, 66488, 83110, 103280, 132976, 166220, 332440, 664880, 10729501, 21459002, 42918004, 53647505, 85836008, 107295010, 171672016, 214590020, 429180040, 858360080]

約数ペア:

[(1, 858360080), (2, 429180040), (4, 214590020), (5, 171672016), (8, 107295010), (10, 85836008), (16, 53647505), (20, 42918004), (40, 21459002), (80, 10729501), (1291, 664880), (2582, 332440), (5164, 166220), (6455, 132976), (8311, 103280), (10328, 83110), (12910, 66488), (16622, 51640), (20656, 41555), (25820, 33244)]