4443280

素因数分解:

$2^4\times 5^1\times {\mathrm{55541}}^1$

素因数の和:55554

約数の個数: 20

約数和(自身を含む): 10330812

約数和(自身を除く): 5887532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55541, 111082, 222164, 277705, 444328, 555410, 888656, 1110820, 2221640, 4443280]

約数ペア:

[(1, 4443280), (2, 2221640), (4, 1110820), (5, 888656), (8, 555410), (10, 444328), (16, 277705), (20, 222164), (40, 111082), (80, 55541)]