12455600

素因数分解:

$2^4\times 5^2\times {\mathrm{31139}}^1$

素因数の和:31157

約数の個数: 30

約数和(自身を含む): 29925540

約数和(自身を除く): 17469940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31139, 62278, 124556, 155695, 249112, 311390, 498224, 622780, 778475, 1245560, 1556950, 2491120, 3113900, 6227800, 12455600]

約数ペア:

[(1, 12455600), (2, 6227800), (4, 3113900), (5, 2491120), (8, 1556950), (10, 1245560), (16, 778475), (20, 622780), (25, 498224), (40, 311390), (50, 249112), (80, 155695), (100, 124556), (200, 62278), (400, 31139)]