12471080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 28274400

約数和(自身を除く): 15803320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2243, 2780, 4486, 5560, 8972, 11215, 17944, 22430, 44860, 89720, 311777, 623554, 1247108, 1558885, 2494216, 3117770, 6235540, 12471080]

約数ペア:

[(1, 12471080), (2, 6235540), (4, 3117770), (5, 2494216), (8, 1558885), (10, 1247108), (20, 623554), (40, 311777), (139, 89720), (278, 44860), (556, 22430), (695, 17944), (1112, 11215), (1390, 8972), (2243, 5560), (2780, 4486)]