28790000

素因数分解:

$2^4\times 5^4\times {\mathrm{2879}}^1$

素因数の和:2907

約数の個数: 50

約数和(自身を含む): 69727680

約数和(自身を除く): 40937680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2879, 5000, 5758, 10000, 11516, 14395, 23032, 28790, 46064, 57580, 71975, 115160, 143950, 230320, 287900, 359875, 575800, 719750, 1151600, 1439500, 1799375, 2879000, 3598750, 5758000, 7197500, 14395000, 28790000]

約数ペア:

[(1, 28790000), (2, 14395000), (4, 7197500), (5, 5758000), (8, 3598750), (10, 2879000), (16, 1799375), (20, 1439500), (25, 1151600), (40, 719750), (50, 575800), (80, 359875), (100, 287900), (125, 230320), (200, 143950), (250, 115160), (400, 71975), (500, 57580), (625, 46064), (1000, 28790), (1250, 23032), (2000, 14395), (2500, 11516), (2879, 10000), (5000, 5758)]