79908380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10271}}^1$

素因数の和:10669

約数の個数: 24

約数和(自身を含む): 168255360

約数和(自身を除く): 88346980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 10271, 20542, 41084, 51355, 102710, 205420, 3995419, 7990838, 15981676, 19977095, 39954190, 79908380]

約数ペア:

[(1, 79908380), (2, 39954190), (4, 19977095), (5, 15981676), (10, 7990838), (20, 3995419), (389, 205420), (778, 102710), (1556, 51355), (1945, 41084), (3890, 20542), (7780, 10271)]