53781340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{65587}}^1$

素因数の和:65637

約数の個数: 24

約数和(自身を含む): 115697232

約数和(自身を除く): 61915892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 65587, 131174, 262348, 327935, 655870, 1311740, 2689067, 5378134, 10756268, 13445335, 26890670, 53781340]

約数ペア:

[(1, 53781340), (2, 26890670), (4, 13445335), (5, 10756268), (10, 5378134), (20, 2689067), (41, 1311740), (82, 655870), (164, 327935), (205, 262348), (410, 131174), (820, 65587)]