79826800

素因数分解:

$2^4\times 5^2\times {\mathrm{199567}}^1$

素因数の和:199585

約数の個数: 30

約数和(自身を含む): 191784848

約数和(自身を除く): 111958048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 199567, 399134, 798268, 997835, 1596536, 1995670, 3193072, 3991340, 4989175, 7982680, 9978350, 15965360, 19956700, 39913400, 79826800]

約数ペア:

[(1, 79826800), (2, 39913400), (4, 19956700), (5, 15965360), (8, 9978350), (10, 7982680), (16, 4989175), (20, 3991340), (25, 3193072), (40, 1995670), (50, 1596536), (80, 997835), (100, 798268), (200, 399134), (400, 199567)]