851600

素因数分解:

$2^4\times 5^2\times {\mathrm{2129}}^1$

素因数の和:2147

約数の個数: 30

約数和(自身を含む): 2046930

約数和(自身を除く): 1195330

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2129, 4258, 8516, 10645, 17032, 21290, 34064, 42580, 53225, 85160, 106450, 170320, 212900, 425800, 851600]

約数ペア:

[(1, 851600), (2, 425800), (4, 212900), (5, 170320), (8, 106450), (10, 85160), (16, 53225), (20, 42580), (25, 34064), (40, 21290), (50, 17032), (80, 10645), (100, 8516), (200, 4258), (400, 2129)]