8480780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5507}}^1$

素因数の和:5534

約数の個数: 48

約数和(自身を含む): 22208256

約数和(自身を除く): 13727476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5507, 11014, 22028, 27535, 38549, 55070, 60577, 77098, 110140, 121154, 154196, 192745, 242308, 302885, 385490, 424039, 605770, 770980, 848078, 1211540, 1696156, 2120195, 4240390, 8480780]

約数ペア:

[(1, 8480780), (2, 4240390), (4, 2120195), (5, 1696156), (7, 1211540), (10, 848078), (11, 770980), (14, 605770), (20, 424039), (22, 385490), (28, 302885), (35, 242308), (44, 192745), (55, 154196), (70, 121154), (77, 110140), (110, 77098), (140, 60577), (154, 55070), (220, 38549), (308, 27535), (385, 22028), (770, 11014), (1540, 5507)]