9968156980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12156289}}^1$

素因数の和:12156339

約数の個数: 24

約数和(自身を含む): 21443695560

約数和(自身を除く): 11475538580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 12156289, 24312578, 48625156, 60781445, 121562890, 243125780, 498407849, 996815698, 1993631396, 2492039245, 4984078490, 9968156980]

約数ペア:

[(1, 9968156980), (2, 4984078490), (4, 2492039245), (5, 1993631396), (10, 996815698), (20, 498407849), (41, 243125780), (82, 121562890), (164, 60781445), (205, 48625156), (410, 24312578), (820, 12156289)]