79439600

素因数分解:

$2^4\times 5^2\times {\mathrm{198599}}^1$

素因数の和:198617

約数の個数: 30

約数和(自身を含む): 190854600

約数和(自身を除く): 111415000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 198599, 397198, 794396, 992995, 1588792, 1985990, 3177584, 3971980, 4964975, 7943960, 9929950, 15887920, 19859900, 39719800, 79439600]

約数ペア:

[(1, 79439600), (2, 39719800), (4, 19859900), (5, 15887920), (8, 9929950), (10, 7943960), (16, 4964975), (20, 3971980), (25, 3177584), (40, 1985990), (50, 1588792), (80, 992995), (100, 794396), (200, 397198), (400, 198599)]