40242965

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1979}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 56881440

約数和(自身を除く): 16638475

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 1979, 2905, 4067, 9895, 13853, 20335, 69265, 96971, 164257, 484855, 821285, 1149799, 5748995, 8048593, 40242965]

約数ペア:

[(1, 40242965), (5, 8048593), (7, 5748995), (35, 1149799), (49, 821285), (83, 484855), (245, 164257), (415, 96971), (581, 69265), (1979, 20335), (2905, 13853), (4067, 9895)]