11959240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4293

約数の個数: 32

約数和(自身を含む): 27293760

約数和(自身を除く): 15334520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4211, 8422, 16844, 21055, 33688, 42110, 84220, 168440, 298981, 597962, 1195924, 1494905, 2391848, 2989810, 5979620, 11959240]

約数ペア:

[(1, 11959240), (2, 5979620), (4, 2989810), (5, 2391848), (8, 1494905), (10, 1195924), (20, 597962), (40, 298981), (71, 168440), (142, 84220), (284, 42110), (355, 33688), (568, 21055), (710, 16844), (1420, 8422), (2840, 4211)]