156543220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{182027}}^1$

素因数の和:182079

約数の個数: 24

約数和(自身を含む): 336387744

約数和(自身を除く): 179844524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 182027, 364054, 728108, 910135, 1820270, 3640540, 7827161, 15654322, 31308644, 39135805, 78271610, 156543220]

約数ペア:

[(1, 156543220), (2, 78271610), (4, 39135805), (5, 31308644), (10, 15654322), (20, 7827161), (43, 3640540), (86, 1820270), (172, 910135), (215, 728108), (430, 364054), (860, 182027)]