2021046250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:617

約数の個数: 80

約数和(自身を含む): 3958732800

約数和(自身を除く): 1937686550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 127, 145, 250, 254, 290, 439, 625, 635, 725, 878, 1250, 1270, 1450, 2195, 3175, 3625, 3683, 4390, 6350, 7250, 7366, 10975, 12731, 15875, 18125, 18415, 21950, 25462, 31750, 36250, 36830, 54875, 55753, 63655, 79375, 92075, 109750, 111506, 127310, 158750, 184150, 274375, 278765, 318275, 460375, 548750, 557530, 636550, 920750, 1393825, 1591375, 1616837, 2301875, 2787650, 3182750, 3233674, 4603750, 6969125, 7956875, 8084185, 13938250, 15913750, 16168370, 34845625, 40420925, 69691250, 80841850, 202104625, 404209250, 1010523125, 2021046250]

約数ペア:

[(1, 2021046250), (2, 1010523125), (5, 404209250), (10, 202104625), (25, 80841850), (29, 69691250), (50, 40420925), (58, 34845625), (125, 16168370), (127, 15913750), (145, 13938250), (250, 8084185), (254, 7956875), (290, 6969125), (439, 4603750), (625, 3233674), (635, 3182750), (725, 2787650), (878, 2301875), (1250, 1616837), (1270, 1591375), (1450, 1393825), (2195, 920750), (3175, 636550), (3625, 557530), (3683, 548750), (4390, 460375), (6350, 318275), (7250, 278765), (7366, 274375), (10975, 184150), (12731, 158750), (15875, 127310), (18125, 111506), (18415, 109750), (21950, 92075), (25462, 79375), (31750, 63655), (36250, 55753), (36830, 54875)]