4249240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2591}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 9797760

約数和(自身を除く): 5548520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2591, 5182, 10364, 12955, 20728, 25910, 51820, 103640, 106231, 212462, 424924, 531155, 849848, 1062310, 2124620, 4249240]

約数ペア:

[(1, 4249240), (2, 2124620), (4, 1062310), (5, 849848), (8, 531155), (10, 424924), (20, 212462), (40, 106231), (41, 103640), (82, 51820), (164, 25910), (205, 20728), (328, 12955), (410, 10364), (820, 5182), (1640, 2591)]