80978928

素因数分解:

$2^4\times 3^1\times {\mathrm{1687061}}^1$

素因数の和:1687072

約数の個数: 20

約数和(自身を含む): 209195688

約数和(自身を除く): 128216760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1687061, 3374122, 5061183, 6748244, 10122366, 13496488, 20244732, 26992976, 40489464, 80978928]

約数ペア:

[(1, 80978928), (2, 40489464), (3, 26992976), (4, 20244732), (6, 13496488), (8, 10122366), (12, 6748244), (16, 5061183), (24, 3374122), (48, 1687061)]