12996280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29537}}^1$

素因数の和:29559

約数の個数: 32

約数和(自身を含む): 31901040

約数和(自身を除く): 18904760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 29537, 59074, 118148, 147685, 236296, 295370, 324907, 590740, 649814, 1181480, 1299628, 1624535, 2599256, 3249070, 6498140, 12996280]

約数ペア:

[(1, 12996280), (2, 6498140), (4, 3249070), (5, 2599256), (8, 1624535), (10, 1299628), (11, 1181480), (20, 649814), (22, 590740), (40, 324907), (44, 295370), (55, 236296), (88, 147685), (110, 118148), (220, 59074), (440, 29537)]