223280

素因数分解:

$2^4\times 5^1\times {\mathrm{2791}}^1$

素因数の和:2804

約数の個数: 20

約数和(自身を含む): 519312

約数和(自身を除く): 296032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2791, 5582, 11164, 13955, 22328, 27910, 44656, 55820, 111640, 223280]

約数ペア:

[(1, 223280), (2, 111640), (4, 55820), (5, 44656), (8, 27910), (10, 22328), (16, 13955), (20, 11164), (40, 5582), (80, 2791)]