8020481.00000000

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4922

約数の個数: 64

約数和(自身を含む): 128157120

約数和(自身を除く): 80489370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 4889, 9750, 9778, 14667, 24445, 29334, 48890, 63557, 73335, 122225, 127114, 146670, 190671, 244450, 317785, 366675, 381342, 611125, 635570, 733350, 953355, 1222250, 1588925, 1833375, 1906710, 3177850, 3666750, 4766775, 7944625, 9533550, 15889250, 23833875, 47667750]

約数ペア:

[(1, 47667750), (2, 23833875), (3, 15889250), (5, 9533550), (6, 7944625), (10, 4766775), (13, 3666750), (15, 3177850), (25, 1906710), (26, 1833375), (30, 1588925), (39, 1222250), (50, 953355), (65, 733350), (75, 635570), (78, 611125), (125, 381342), (130, 366675), (150, 317785), (195, 244450), (250, 190671), (325, 146670), (375, 127114), (390, 122225), (650, 73335), (750, 63557), (975, 48890), (1625, 29334), (1950, 24445), (3250, 14667), (4875, 9778), (4889, 9750)]