78935600

素因数分解:

$2^4\times 5^2\times {\mathrm{197339}}^1$

素因数の和:197357

約数の個数: 30

約数和(自身を含む): 189643740

約数和(自身を除く): 110708140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 197339, 394678, 789356, 986695, 1578712, 1973390, 3157424, 3946780, 4933475, 7893560, 9866950, 15787120, 19733900, 39467800, 78935600]

約数ペア:

[(1, 78935600), (2, 39467800), (4, 19733900), (5, 15787120), (8, 9866950), (10, 7893560), (16, 4933475), (20, 3946780), (25, 3157424), (40, 1973390), (50, 1578712), (80, 986695), (100, 789356), (200, 394678), (400, 197339)]