11897240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6917}}^1$

素因数の和:6971

約数の個数: 32

約数和(自身を含む): 27395280

約数和(自身を除く): 15498040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6917, 13834, 27668, 34585, 55336, 69170, 138340, 276680, 297431, 594862, 1189724, 1487155, 2379448, 2974310, 5948620, 11897240]

約数ペア:

[(1, 11897240), (2, 5948620), (4, 2974310), (5, 2379448), (8, 1487155), (10, 1189724), (20, 594862), (40, 297431), (43, 276680), (86, 138340), (172, 69170), (215, 55336), (344, 34585), (430, 27668), (860, 13834), (1720, 6917)]