80202040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105529}}^1$

素因数の和:105559

約数の個数: 32

約数和(自身を含む): 189954000

約数和(自身を除く): 109751960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105529, 211058, 422116, 527645, 844232, 1055290, 2005051, 2110580, 4010102, 4221160, 8020204, 10025255, 16040408, 20050510, 40101020, 80202040]

約数ペア:

[(1, 80202040), (2, 40101020), (4, 20050510), (5, 16040408), (8, 10025255), (10, 8020204), (19, 4221160), (20, 4010102), (38, 2110580), (40, 2005051), (76, 1055290), (95, 844232), (152, 527645), (190, 422116), (380, 211058), (760, 105529)]