2912200520

素因数分解:

$2^3\times 5^1\times {\mathrm{72805013}}^1$

素因数の和:72805024

約数の個数: 16

約数和(自身を含む): 6552451260

約数和(自身を除く): 3640250740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72805013, 145610026, 291220052, 364025065, 582440104, 728050130, 1456100260, 2912200520]

約数ペア:

[(1, 2912200520), (2, 1456100260), (4, 728050130), (5, 582440104), (8, 364025065), (10, 291220052), (20, 145610026), (40, 72805013)]