40385444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 78282204

約数和(自身を除く): 37896760

約数列:

[1, 2, 4, 11, 22, 44, 121, 181, 242, 362, 461, 484, 724, 922, 1844, 1991, 3982, 5071, 7964, 10142, 20284, 21901, 43802, 55781, 83441, 87604, 111562, 166882, 223124, 333764, 917851, 1835702, 3671404, 10096361, 20192722, 40385444]

約数ペア:

[(1, 40385444), (2, 20192722), (4, 10096361), (11, 3671404), (22, 1835702), (44, 917851), (121, 333764), (181, 223124), (242, 166882), (362, 111562), (461, 87604), (484, 83441), (724, 55781), (922, 43802), (1844, 21901), (1991, 20284), (3982, 10142), (5071, 7964)]