40405360

素因数分解:

$2^4\times 5^1\times {\mathrm{505067}}^1$

素因数の和:505080

約数の個数: 20

約数和(自身を含む): 93942648

約数和(自身を除く): 53537288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505067, 1010134, 2020268, 2525335, 4040536, 5050670, 8081072, 10101340, 20202680, 40405360]

約数ペア:

[(1, 40405360), (2, 20202680), (4, 10101340), (5, 8081072), (8, 5050670), (10, 4040536), (16, 2525335), (20, 2020268), (40, 1010134), (80, 505067)]