8905820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5783}}^1$

素因数の和:5810

約数の個数: 48

約数和(自身を含む): 23321088

約数和(自身を除く): 14415268

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, 5783, 11566, 23132, 28915, 40481, 57830, 63613, 80962, 115660, 127226, 161924, 202405, 254452, 318065, 404810, 445291, 636130, 809620, 890582, 1272260, 1781164, 2226455, 4452910, 8905820]

約数ペア:

[(1, 8905820), (2, 4452910), (4, 2226455), (5, 1781164), (7, 1272260), (10, 890582), (11, 809620), (14, 636130), (20, 445291), (22, 404810), (28, 318065), (35, 254452), (44, 202405), (55, 161924), (70, 127226), (77, 115660), (110, 80962), (140, 63613), (154, 57830), (220, 40481), (308, 28915), (385, 23132), (770, 11566), (1540, 5783)]