8451740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 19855584

約数和(自身を除く): 11403844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 937, 1804, 1874, 2255, 3748, 4510, 4685, 9020, 9370, 10307, 18740, 20614, 38417, 41228, 51535, 76834, 103070, 153668, 192085, 206140, 384170, 422587, 768340, 845174, 1690348, 2112935, 4225870, 8451740]

約数ペア:

[(1, 8451740), (2, 4225870), (4, 2112935), (5, 1690348), (10, 845174), (11, 768340), (20, 422587), (22, 384170), (41, 206140), (44, 192085), (55, 153668), (82, 103070), (110, 76834), (164, 51535), (205, 41228), (220, 38417), (410, 20614), (451, 18740), (820, 10307), (902, 9370), (937, 9020), (1804, 4685), (1874, 4510), (2255, 3748)]