222495440

素因数分解:

$2^4\times 5^1\times {\mathrm{2781193}}^1$

素因数の和:2781206

約数の個数: 20

約数和(自身を含む): 517302084

約数和(自身を除く): 294806644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2781193, 5562386, 11124772, 13905965, 22249544, 27811930, 44499088, 55623860, 111247720, 222495440]

約数ペア:

[(1, 222495440), (2, 111247720), (4, 55623860), (5, 44499088), (8, 27811930), (10, 22249544), (16, 13905965), (20, 11124772), (40, 5562386), (80, 2781193)]