80049220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2381}}^1$

素因数の和:2472

約数の個数: 36

約数和(自身を含む): 172375812

約数和(自身を除く): 92326592

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 2381, 3362, 4762, 6724, 8405, 9524, 11905, 16810, 23810, 33620, 47620, 97621, 195242, 390484, 488105, 976210, 1952420, 4002461, 8004922, 16009844, 20012305, 40024610, 80049220]

約数ペア:

[(1, 80049220), (2, 40024610), (4, 20012305), (5, 16009844), (10, 8004922), (20, 4002461), (41, 1952420), (82, 976210), (164, 488105), (205, 390484), (410, 195242), (820, 97621), (1681, 47620), (2381, 33620), (3362, 23810), (4762, 16810), (6724, 11905), (8405, 9524)]