84019280

素因数分解:

$2^4\times 5^1\times {\mathrm{1050241}}^1$

素因数の和:1050254

約数の個数: 20

約数和(自身を含む): 195345012

約数和(自身を除く): 111325732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1050241, 2100482, 4200964, 5251205, 8401928, 10502410, 16803856, 21004820, 42009640, 84019280]

約数ペア:

[(1, 84019280), (2, 42009640), (4, 21004820), (5, 16803856), (8, 10502410), (10, 8401928), (16, 5251205), (20, 4200964), (40, 2100482), (80, 1050241)]