51386120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31333}}^1$

素因数の和:31385

約数の個数: 32

約数和(自身を含む): 118442520

約数和(自身を除く): 67056400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31333, 62666, 125332, 156665, 250664, 313330, 626660, 1253320, 1284653, 2569306, 5138612, 6423265, 10277224, 12846530, 25693060, 51386120]

約数ペア:

[(1, 51386120), (2, 25693060), (4, 12846530), (5, 10277224), (8, 6423265), (10, 5138612), (20, 2569306), (40, 1284653), (41, 1253320), (82, 626660), (164, 313330), (205, 250664), (328, 156665), (410, 125332), (820, 62666), (1640, 31333)]