9940400

素因数分解:

$2^4\times 5^2\times {\mathrm{24851}}^1$

素因数の和:24869

約数の個数: 30

約数和(自身を含む): 23882772

約数和(自身を除く): 13942372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 24851, 49702, 99404, 124255, 198808, 248510, 397616, 497020, 621275, 994040, 1242550, 1988080, 2485100, 4970200, 9940400]

約数ペア:

[(1, 9940400), (2, 4970200), (4, 2485100), (5, 1988080), (8, 1242550), (10, 994040), (16, 621275), (20, 497020), (25, 397616), (40, 248510), (50, 198808), (80, 124255), (100, 99404), (200, 49702), (400, 24851)]