55560500

素因数分解:

$2^2\times 5^3\times {\mathrm{111121}}^1$

素因数の和:111140

約数の個数: 24

約数和(自身を含む): 121345224

約数和(自身を除く): 65784724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 111121, 222242, 444484, 555605, 1111210, 2222420, 2778025, 5556050, 11112100, 13890125, 27780250, 55560500]

約数ペア:

[(1, 55560500), (2, 27780250), (4, 13890125), (5, 11112100), (10, 5556050), (20, 2778025), (25, 2222420), (50, 1111210), (100, 555605), (125, 444484), (250, 222242), (500, 111121)]