5620040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 12771000

約数和(自身を除く): 7150960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1289, 2180, 2578, 4360, 5156, 6445, 10312, 12890, 25780, 51560, 140501, 281002, 562004, 702505, 1124008, 1405010, 2810020, 5620040]

約数ペア:

[(1, 5620040), (2, 2810020), (4, 1405010), (5, 1124008), (8, 702505), (10, 562004), (20, 281002), (40, 140501), (109, 51560), (218, 25780), (436, 12890), (545, 10312), (872, 6445), (1090, 5156), (1289, 4360), (2180, 2578)]