80204080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91141}}^1$

素因数の和:91165

約数の個数: 40

約数和(自身を含む): 203428944

約数和(自身を除く): 123224864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91141, 182282, 364564, 455705, 729128, 911410, 1002551, 1458256, 1822820, 2005102, 3645640, 4010204, 5012755, 7291280, 8020408, 10025510, 16040816, 20051020, 40102040, 80204080]

約数ペア:

[(1, 80204080), (2, 40102040), (4, 20051020), (5, 16040816), (8, 10025510), (10, 8020408), (11, 7291280), (16, 5012755), (20, 4010204), (22, 3645640), (40, 2005102), (44, 1822820), (55, 1458256), (80, 1002551), (88, 911410), (110, 729128), (176, 455705), (220, 364564), (440, 182282), (880, 91141)]