6647240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 15077880

約数和(自身を除く): 8430640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1213, 1370, 2426, 2740, 4852, 5480, 6065, 9704, 12130, 24260, 48520, 166181, 332362, 664724, 830905, 1329448, 1661810, 3323620, 6647240]

約数ペア:

[(1, 6647240), (2, 3323620), (4, 1661810), (5, 1329448), (8, 830905), (10, 664724), (20, 332362), (40, 166181), (137, 48520), (274, 24260), (548, 12130), (685, 9704), (1096, 6065), (1213, 5480), (1370, 4852), (2426, 2740)]