12941560

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 29257200

約数和(自身を除く): 16315640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1289, 2008, 2510, 2578, 5020, 5156, 6445, 10040, 10312, 12890, 25780, 51560, 323539, 647078, 1294156, 1617695, 2588312, 3235390, 6470780, 12941560]

約数ペア:

[(1, 12941560), (2, 6470780), (4, 3235390), (5, 2588312), (8, 1617695), (10, 1294156), (20, 647078), (40, 323539), (251, 51560), (502, 25780), (1004, 12890), (1255, 10312), (1289, 10040), (2008, 6445), (2510, 5156), (2578, 5020)]