3938320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2623

約数の個数: 40

約数和(自身を含む): 9642240

約数和(自身を除く): 5703920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2591, 5182, 10364, 12955, 20728, 25910, 41456, 49229, 51820, 98458, 103640, 196916, 207280, 246145, 393832, 492290, 787664, 984580, 1969160, 3938320]

約数ペア:

[(1, 3938320), (2, 1969160), (4, 984580), (5, 787664), (8, 492290), (10, 393832), (16, 246145), (19, 207280), (20, 196916), (38, 103640), (40, 98458), (76, 51820), (80, 49229), (95, 41456), (152, 25910), (190, 20728), (304, 12955), (380, 10364), (760, 5182), (1520, 2591)]