12282800

素因数分解:

$2^4\times 5^2\times {\mathrm{30707}}^1$

素因数の和:30725

約数の個数: 30

約数和(自身を含む): 29510388

約数和(自身を除く): 17227588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 30707, 61414, 122828, 153535, 245656, 307070, 491312, 614140, 767675, 1228280, 1535350, 2456560, 3070700, 6141400, 12282800]

約数ペア:

[(1, 12282800), (2, 6141400), (4, 3070700), (5, 2456560), (8, 1535350), (10, 1228280), (16, 767675), (20, 614140), (25, 491312), (40, 307070), (50, 245656), (80, 153535), (100, 122828), (200, 61414), (400, 30707)]