1383080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 3162240

約数和(自身を除く): 1779160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 487, 568, 710, 974, 1420, 1948, 2435, 2840, 3896, 4870, 9740, 19480, 34577, 69154, 138308, 172885, 276616, 345770, 691540, 1383080]

約数ペア:

[(1, 1383080), (2, 691540), (4, 345770), (5, 276616), (8, 172885), (10, 138308), (20, 69154), (40, 34577), (71, 19480), (142, 9740), (284, 4870), (355, 3896), (487, 2840), (568, 2435), (710, 1948), (974, 1420)]