81504790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{2213}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 153031680

約数和(自身を除く): 71526890

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 635, 1270, 2213, 3683, 4426, 7366, 11065, 18415, 22130, 36830, 64177, 128354, 281051, 320885, 562102, 641770, 1405255, 2810510, 8150479, 16300958, 40752395, 81504790]

約数ペア:

[(1, 81504790), (2, 40752395), (5, 16300958), (10, 8150479), (29, 2810510), (58, 1405255), (127, 641770), (145, 562102), (254, 320885), (290, 281051), (635, 128354), (1270, 64177), (2213, 36830), (3683, 22130), (4426, 18415), (7366, 11065)]