80996860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5407}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 196245504

約数和(自身を除く): 115248644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 5407, 7490, 10814, 14980, 21628, 27035, 37849, 54070, 75698, 108140, 151396, 189245, 378490, 578549, 756980, 1157098, 2314196, 2892745, 4049843, 5785490, 8099686, 11570980, 16199372, 20249215, 40498430, 80996860]

約数ペア:

[(1, 80996860), (2, 40498430), (4, 20249215), (5, 16199372), (7, 11570980), (10, 8099686), (14, 5785490), (20, 4049843), (28, 2892745), (35, 2314196), (70, 1157098), (107, 756980), (140, 578549), (214, 378490), (428, 189245), (535, 151396), (749, 108140), (1070, 75698), (1498, 54070), (2140, 37849), (2996, 27035), (3745, 21628), (5407, 14980), (7490, 10814)]