11856920

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{643}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 26777520

約数和(自身を除く): 14920600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 643, 922, 1286, 1844, 2305, 2572, 3215, 3688, 4610, 5144, 6430, 9220, 12860, 18440, 25720, 296423, 592846, 1185692, 1482115, 2371384, 2964230, 5928460, 11856920]

約数ペア:

[(1, 11856920), (2, 5928460), (4, 2964230), (5, 2371384), (8, 1482115), (10, 1185692), (20, 592846), (40, 296423), (461, 25720), (643, 18440), (922, 12860), (1286, 9220), (1844, 6430), (2305, 5144), (2572, 4610), (3215, 3688)]