39920452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 83006784

約数和(自身を除く): 43086332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 101, 143, 202, 286, 404, 572, 691, 1111, 1313, 1382, 2222, 2626, 2764, 4444, 5252, 7601, 8983, 14443, 15202, 17966, 28886, 30404, 35932, 57772, 69791, 98813, 139582, 197626, 279164, 395252, 767701, 907283, 1535402, 1814566, 3070804, 3629132, 9980113, 19960226, 39920452]

約数ペア:

[(1, 39920452), (2, 19960226), (4, 9980113), (11, 3629132), (13, 3070804), (22, 1814566), (26, 1535402), (44, 907283), (52, 767701), (101, 395252), (143, 279164), (202, 197626), (286, 139582), (404, 98813), (572, 69791), (691, 57772), (1111, 35932), (1313, 30404), (1382, 28886), (2222, 17966), (2626, 15202), (2764, 14443), (4444, 8983), (5252, 7601)]