80808640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2126

約数の個数: 84

約数和(自身を含む): 211610448

約数和(自身を除く): 130801808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2087, 2420, 3520, 3872, 4174, 4840, 7744, 8348, 9680, 10435, 16696, 19360, 20870, 22957, 33392, 38720, 41740, 45914, 66784, 83480, 91828, 114785, 133568, 166960, 183656, 229570, 252527, 333920, 367312, 459140, 505054, 667840, 734624, 918280, 1010108, 1262635, 1469248, 1836560, 2020216, 2525270, 3673120, 4040432, 5050540, 7346240, 8080864, 10101080, 16161728, 20202160, 40404320, 80808640]

約数ペア:

[(1, 80808640), (2, 40404320), (4, 20202160), (5, 16161728), (8, 10101080), (10, 8080864), (11, 7346240), (16, 5050540), (20, 4040432), (22, 3673120), (32, 2525270), (40, 2020216), (44, 1836560), (55, 1469248), (64, 1262635), (80, 1010108), (88, 918280), (110, 734624), (121, 667840), (160, 505054), (176, 459140), (220, 367312), (242, 333920), (320, 252527), (352, 229570), (440, 183656), (484, 166960), (605, 133568), (704, 114785), (880, 91828), (968, 83480), (1210, 66784), (1760, 45914), (1936, 41740), (2087, 38720), (2420, 33392), (3520, 22957), (3872, 20870), (4174, 19360), (4840, 16696), (7744, 10435), (8348, 9680)]