85816673780

素因数分解:

$2^2\times 5^1\times {\mathrm{392251}}^1\times {\mathrm{10939}}^1$

素因数の和:403199

約数の個数: 24

約数和(自身を含む): 180231948960

約数和(自身を除く): 94415275180

約数列:

[1, 2, 4, 5, 10, 20, 10939, 21878, 43756, 54695, 109390, 218780, 392251, 784502, 1569004, 1961255, 3922510, 7845020, 4290833689, 8581667378, 17163334756, 21454168445, 42908336890, 85816673780]

約数ペア:

[(1, 85816673780), (2, 42908336890), (4, 21454168445), (5, 17163334756), (10, 8581667378), (20, 4290833689), (10939, 7845020), (21878, 3922510), (43756, 1961255), (54695, 1569004), (109390, 784502), (218780, 392251)]