210522080

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6679}}^1$

素因数の和:6891

約数の個数: 48

約数和(自身を含む): 499957920

約数和(自身を除く): 289435840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 6679, 7880, 13358, 15760, 26716, 31520, 33395, 53432, 66790, 106864, 133580, 213728, 267160, 534320, 1068640, 1315763, 2631526, 5263052, 6578815, 10526104, 13157630, 21052208, 26315260, 42104416, 52630520, 105261040, 210522080]

約数ペア:

[(1, 210522080), (2, 105261040), (4, 52630520), (5, 42104416), (8, 26315260), (10, 21052208), (16, 13157630), (20, 10526104), (32, 6578815), (40, 5263052), (80, 2631526), (160, 1315763), (197, 1068640), (394, 534320), (788, 267160), (985, 213728), (1576, 133580), (1970, 106864), (3152, 66790), (3940, 53432), (6304, 33395), (6679, 31520), (7880, 26716), (13358, 15760)]