12683240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2909}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 28809000

約数和(自身を除く): 16125760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2909, 4360, 5818, 11636, 14545, 23272, 29090, 58180, 116360, 317081, 634162, 1268324, 1585405, 2536648, 3170810, 6341620, 12683240]

約数ペア:

[(1, 12683240), (2, 6341620), (4, 3170810), (5, 2536648), (8, 1585405), (10, 1268324), (20, 634162), (40, 317081), (109, 116360), (218, 58180), (436, 29090), (545, 23272), (872, 14545), (1090, 11636), (2180, 5818), (2909, 4360)]