12971320

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{677}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 29289600

約数和(自身を除く): 16318280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 677, 958, 1354, 1916, 2395, 2708, 3385, 3832, 4790, 5416, 6770, 9580, 13540, 19160, 27080, 324283, 648566, 1297132, 1621415, 2594264, 3242830, 6485660, 12971320]

約数ペア:

[(1, 12971320), (2, 6485660), (4, 3242830), (5, 2594264), (8, 1621415), (10, 1297132), (20, 648566), (40, 324283), (479, 27080), (677, 19160), (958, 13540), (1354, 9580), (1916, 6770), (2395, 5416), (2708, 4790), (3385, 3832)]