33428440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5323}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 75707280

約数和(自身を除く): 42278840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 5323, 6280, 10646, 21292, 26615, 42584, 53230, 106460, 212920, 835711, 1671422, 3342844, 4178555, 6685688, 8357110, 16714220, 33428440]

約数ペア:

[(1, 33428440), (2, 16714220), (4, 8357110), (5, 6685688), (8, 4178555), (10, 3342844), (20, 1671422), (40, 835711), (157, 212920), (314, 106460), (628, 53230), (785, 42584), (1256, 26615), (1570, 21292), (3140, 10646), (5323, 6280)]