156740017240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91127917}}^1$

素因数の和:91127971

約数の個数: 32

約数和(自身を含む): 360866555280

約数和(自身を除く): 204126538040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 91127917, 182255834, 364511668, 455639585, 729023336, 911279170, 1822558340, 3645116680, 3918500431, 7837000862, 15674001724, 19592502155, 31348003448, 39185004310, 78370008620, 156740017240]

約数ペア:

[(1, 156740017240), (2, 78370008620), (4, 39185004310), (5, 31348003448), (8, 19592502155), (10, 15674001724), (20, 7837000862), (40, 3918500431), (43, 3645116680), (86, 1822558340), (172, 911279170), (215, 729023336), (344, 455639585), (430, 364511668), (860, 182255834), (1720, 91127917)]