55456400

素因数分解:

$2^4\times 5^2\times {\mathrm{138641}}^1$

素因数の和:138659

約数の個数: 30

約数和(自身を含む): 133234962

約数和(自身を除く): 77778562

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 138641, 277282, 554564, 693205, 1109128, 1386410, 2218256, 2772820, 3466025, 5545640, 6932050, 11091280, 13864100, 27728200, 55456400]

約数ペア:

[(1, 55456400), (2, 27728200), (4, 13864100), (5, 11091280), (8, 6932050), (10, 5545640), (16, 3466025), (20, 2772820), (25, 2218256), (40, 1386410), (50, 1109128), (80, 693205), (100, 554564), (200, 277282), (400, 138641)]