68284120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{17599}}^1$

素因数の和:17707

約数の個数: 32

約数和(自身を含む): 155232000

約数和(自身を除く): 86947880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 17599, 35198, 70396, 87995, 140792, 175990, 351980, 703960, 1707103, 3414206, 6828412, 8535515, 13656824, 17071030, 34142060, 68284120]

約数ペア:

[(1, 68284120), (2, 34142060), (4, 17071030), (5, 13656824), (8, 8535515), (10, 6828412), (20, 3414206), (40, 1707103), (97, 703960), (194, 351980), (388, 175990), (485, 140792), (776, 87995), (970, 70396), (1940, 35198), (3880, 17599)]