2221250

素因数分解:

$2^1\times 5^4\times {\mathrm{1777}}^1$

素因数の和:1799

約数の個数: 20

約数和(自身を含む): 4165854

約数和(自身を除く): 1944604

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1777, 3554, 8885, 17770, 44425, 88850, 222125, 444250, 1110625, 2221250]

約数ペア:

[(1, 2221250), (2, 1110625), (5, 444250), (10, 222125), (25, 88850), (50, 44425), (125, 17770), (250, 8885), (625, 3554), (1250, 1777)]