85459280

素因数分解:

$2^4\times 5^1\times {\mathrm{1068241}}^1$

素因数の和:1068254

約数の個数: 20

約数和(自身を含む): 198693012

約数和(自身を除く): 113233732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1068241, 2136482, 4272964, 5341205, 8545928, 10682410, 17091856, 21364820, 42729640, 85459280]

約数ペア:

[(1, 85459280), (2, 42729640), (4, 21364820), (5, 17091856), (8, 10682410), (10, 8545928), (16, 5341205), (20, 4272964), (40, 2136482), (80, 1068241)]