34838840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2239}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 78624000

約数和(自身を除く): 43785160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 2239, 3112, 3890, 4478, 7780, 8956, 11195, 15560, 17912, 22390, 44780, 89560, 870971, 1741942, 3483884, 4354855, 6967768, 8709710, 17419420, 34838840]

約数ペア:

[(1, 34838840), (2, 17419420), (4, 8709710), (5, 6967768), (8, 4354855), (10, 3483884), (20, 1741942), (40, 870971), (389, 89560), (778, 44780), (1556, 22390), (1945, 17912), (2239, 15560), (3112, 11195), (3890, 8956), (4478, 7780)]