11948840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6947}}^1$

素因数の和:7001

約数の個数: 32

約数和(自身を含む): 27514080

約数和(自身を除く): 15565240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6947, 13894, 27788, 34735, 55576, 69470, 138940, 277880, 298721, 597442, 1194884, 1493605, 2389768, 2987210, 5974420, 11948840]

約数ペア:

[(1, 11948840), (2, 5974420), (4, 2987210), (5, 2389768), (8, 1493605), (10, 1194884), (20, 597442), (40, 298721), (43, 277880), (86, 138940), (172, 69470), (215, 55576), (344, 34735), (430, 27788), (860, 13894), (1720, 6947)]