554440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 1270080

約数和(自身を除く): 715640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 167, 332, 334, 415, 664, 668, 830, 835, 1336, 1660, 1670, 3320, 3340, 6680, 13861, 27722, 55444, 69305, 110888, 138610, 277220, 554440]

約数ペア:

[(1, 554440), (2, 277220), (4, 138610), (5, 110888), (8, 69305), (10, 55444), (20, 27722), (40, 13861), (83, 6680), (166, 3340), (167, 3320), (332, 1670), (334, 1660), (415, 1336), (664, 835), (668, 830)]