4223080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 9642240

約数和(自身を除く): 5419160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1487, 2840, 2974, 5948, 7435, 11896, 14870, 29740, 59480, 105577, 211154, 422308, 527885, 844616, 1055770, 2111540, 4223080]

約数ペア:

[(1, 4223080), (2, 2111540), (4, 1055770), (5, 844616), (8, 527885), (10, 422308), (20, 211154), (40, 105577), (71, 59480), (142, 29740), (284, 14870), (355, 11896), (568, 7435), (710, 5948), (1420, 2974), (1487, 2840)]