49005625

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:990

約数の個数: 20

約数和(自身を含む): 61995780

約数和(自身を除く): 12990155

約数列:

[1, 5, 25, 89, 125, 445, 625, 881, 2225, 4405, 11125, 22025, 55625, 78409, 110125, 392045, 550625, 1960225, 9801125, 49005625]

約数ペア:

[(1, 49005625), (5, 9801125), (25, 1960225), (89, 550625), (125, 392045), (445, 110125), (625, 78409), (881, 55625), (2225, 22025), (4405, 11125)]