40122280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 100025280

約数和(自身を除く): 59903000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1361, 1474, 2680, 2722, 2948, 3685, 5444, 5896, 6805, 7370, 10888, 13610, 14740, 14971, 27220, 29480, 29942, 54440, 59884, 74855, 91187, 119768, 149710, 182374, 299420, 364748, 455935, 598840, 729496, 911870, 1003057, 1823740, 2006114, 3647480, 4012228, 5015285, 8024456, 10030570, 20061140, 40122280]

約数ペア:

[(1, 40122280), (2, 20061140), (4, 10030570), (5, 8024456), (8, 5015285), (10, 4012228), (11, 3647480), (20, 2006114), (22, 1823740), (40, 1003057), (44, 911870), (55, 729496), (67, 598840), (88, 455935), (110, 364748), (134, 299420), (220, 182374), (268, 149710), (335, 119768), (440, 91187), (536, 74855), (670, 59884), (737, 54440), (1340, 29942), (1361, 29480), (1474, 27220), (2680, 14971), (2722, 14740), (2948, 13610), (3685, 10888), (5444, 7370), (5896, 6805)]