124632920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{72461}}^1$

素因数の和:72515

約数の個数: 32

約数和(自身を含む): 286949520

約数和(自身を除く): 162316600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 72461, 144922, 289844, 362305, 579688, 724610, 1449220, 2898440, 3115823, 6231646, 12463292, 15579115, 24926584, 31158230, 62316460, 124632920]

約数ペア:

[(1, 124632920), (2, 62316460), (4, 31158230), (5, 24926584), (8, 15579115), (10, 12463292), (20, 6231646), (40, 3115823), (43, 2898440), (86, 1449220), (172, 724610), (215, 579688), (344, 362305), (430, 289844), (860, 144922), (1720, 72461)]