12178520

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1213}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 27533520

約数和(自身を除く): 15355000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1213, 1255, 2008, 2426, 2510, 4852, 5020, 6065, 9704, 10040, 12130, 24260, 48520, 304463, 608926, 1217852, 1522315, 2435704, 3044630, 6089260, 12178520]

約数ペア:

[(1, 12178520), (2, 6089260), (4, 3044630), (5, 2435704), (8, 1522315), (10, 1217852), (20, 608926), (40, 304463), (251, 48520), (502, 24260), (1004, 12130), (1213, 10040), (1255, 9704), (2008, 6065), (2426, 5020), (2510, 4852)]