40379480

素因数分解:

$2^3\times 5^1\times {\mathrm{1009487}}^1$

素因数の和:1009498

約数の個数: 16

約数和(自身を含む): 90853920

約数和(自身を除く): 50474440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009487, 2018974, 4037948, 5047435, 8075896, 10094870, 20189740, 40379480]

約数ペア:

[(1, 40379480), (2, 20189740), (4, 10094870), (5, 8075896), (8, 5047435), (10, 4037948), (20, 2018974), (40, 1009487)]