66710080

素因数分解:

$2^6\times 5^1\times {\mathrm{208469}}^1$

素因数の和:208486

約数の個数: 28

約数和(自身を含む): 158854140

約数和(自身を除く): 92144060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208469, 416938, 833876, 1042345, 1667752, 2084690, 3335504, 4169380, 6671008, 8338760, 13342016, 16677520, 33355040, 66710080]

約数ペア:

[(1, 66710080), (2, 33355040), (4, 16677520), (5, 13342016), (8, 8338760), (10, 6671008), (16, 4169380), (20, 3335504), (32, 2084690), (40, 1667752), (64, 1042345), (80, 833876), (160, 416938), (320, 208469)]