79389680

素因数分解:

$2^4\times 5^1\times {\mathrm{992371}}^1$

素因数の和:992384

約数の個数: 20

約数和(自身を含む): 184581192

約数和(自身を除く): 105191512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 992371, 1984742, 3969484, 4961855, 7938968, 9923710, 15877936, 19847420, 39694840, 79389680]

約数ペア:

[(1, 79389680), (2, 39694840), (4, 19847420), (5, 15877936), (8, 9923710), (10, 7938968), (16, 4961855), (20, 3969484), (40, 1984742), (80, 992371)]