49000400

素因数分解:

$2^4\times 5^2\times {\mathrm{122501}}^1$

素因数の和:122519

約数の個数: 30

約数和(自身を含む): 117724422

約数和(自身を除く): 68724022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 122501, 245002, 490004, 612505, 980008, 1225010, 1960016, 2450020, 3062525, 4900040, 6125050, 9800080, 12250100, 24500200, 49000400]

約数ペア:

[(1, 49000400), (2, 24500200), (4, 12250100), (5, 9800080), (8, 6125050), (10, 4900040), (16, 3062525), (20, 2450020), (25, 1960016), (40, 1225010), (50, 980008), (80, 612505), (100, 490004), (200, 245002), (400, 122501)]