2078320

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 4905936

約数和(自身を除く): 2827616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 313, 332, 415, 626, 664, 830, 1252, 1328, 1565, 1660, 2504, 3130, 3320, 5008, 6260, 6640, 12520, 25040, 25979, 51958, 103916, 129895, 207832, 259790, 415664, 519580, 1039160, 2078320]

約数ペア:

[(1, 2078320), (2, 1039160), (4, 519580), (5, 415664), (8, 259790), (10, 207832), (16, 129895), (20, 103916), (40, 51958), (80, 25979), (83, 25040), (166, 12520), (313, 6640), (332, 6260), (415, 5008), (626, 3320), (664, 3130), (830, 2504), (1252, 1660), (1328, 1565)]