8909560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20249}}^1$

素因数の和:20271

約数の個数: 32

約数和(自身を含む): 21870000

約数和(自身を除く): 12960440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20249, 40498, 80996, 101245, 161992, 202490, 222739, 404980, 445478, 809960, 890956, 1113695, 1781912, 2227390, 4454780, 8909560]

約数ペア:

[(1, 8909560), (2, 4454780), (4, 2227390), (5, 1781912), (8, 1113695), (10, 890956), (11, 809960), (20, 445478), (22, 404980), (40, 222739), (44, 202490), (55, 161992), (88, 101245), (110, 80996), (220, 40498), (440, 20249)]