7570796680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{941}}^1\times {\mathrm{1021}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 17155741680

約数和(自身を除く): 9584945000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 941, 985, 1021, 1576, 1882, 1970, 2042, 3764, 3940, 4084, 4705, 5105, 7528, 7880, 8168, 9410, 10210, 18820, 20420, 37640, 40840, 185377, 201137, 370754, 402274, 741508, 804548, 926885, 960761, 1005685, 1483016, 1609096, 1853770, 1921522, 2011370, 3707540, 3843044, 4022740, 4803805, 7415080, 7686088, 8045480, 9607610, 19215220, 38430440, 189269917, 378539834, 757079668, 946349585, 1514159336, 1892699170, 3785398340, 7570796680]

約数ペア:

[(1, 7570796680), (2, 3785398340), (4, 1892699170), (5, 1514159336), (8, 946349585), (10, 757079668), (20, 378539834), (40, 189269917), (197, 38430440), (394, 19215220), (788, 9607610), (941, 8045480), (985, 7686088), (1021, 7415080), (1576, 4803805), (1882, 4022740), (1970, 3843044), (2042, 3707540), (3764, 2011370), (3940, 1921522), (4084, 1853770), (4705, 1609096), (5105, 1483016), (7528, 1005685), (7880, 960761), (8168, 926885), (9410, 804548), (10210, 741508), (18820, 402274), (20420, 370754), (37640, 201137), (40840, 185377)]