8146820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 19656000

約数和(自身を除く): 11509180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1949, 2090, 3898, 4180, 7796, 9745, 19490, 21439, 37031, 38980, 42878, 74062, 85756, 107195, 148124, 185155, 214390, 370310, 407341, 428780, 740620, 814682, 1629364, 2036705, 4073410, 8146820]

約数ペア:

[(1, 8146820), (2, 4073410), (4, 2036705), (5, 1629364), (10, 814682), (11, 740620), (19, 428780), (20, 407341), (22, 370310), (38, 214390), (44, 185155), (55, 148124), (76, 107195), (95, 85756), (110, 74062), (190, 42878), (209, 38980), (220, 37031), (380, 21439), (418, 19490), (836, 9745), (1045, 7796), (1949, 4180), (2090, 3898)]