12809630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 23889600

約数和(自身を除く): 11079970

約数列:

[1, 2, 5, 10, 41, 82, 157, 199, 205, 314, 398, 410, 785, 995, 1570, 1990, 6437, 8159, 12874, 16318, 31243, 32185, 40795, 62486, 64370, 81590, 156215, 312430, 1280963, 2561926, 6404815, 12809630]

約数ペア:

[(1, 12809630), (2, 6404815), (5, 2561926), (10, 1280963), (41, 312430), (82, 156215), (157, 81590), (199, 64370), (205, 62486), (314, 40795), (398, 32185), (410, 31243), (785, 16318), (995, 12874), (1570, 8159), (1990, 6437)]