42178840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 104211360

約数和(自身を除く): 62032520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 373, 440, 514, 746, 1028, 1285, 1492, 1865, 2056, 2570, 2827, 2984, 3730, 4103, 5140, 5654, 7460, 8206, 10280, 11308, 14135, 14920, 16412, 20515, 22616, 28270, 32824, 41030, 56540, 82060, 95861, 113080, 164120, 191722, 383444, 479305, 766888, 958610, 1054471, 1917220, 2108942, 3834440, 4217884, 5272355, 8435768, 10544710, 21089420, 42178840]

約数ペア:

[(1, 42178840), (2, 21089420), (4, 10544710), (5, 8435768), (8, 5272355), (10, 4217884), (11, 3834440), (20, 2108942), (22, 1917220), (40, 1054471), (44, 958610), (55, 766888), (88, 479305), (110, 383444), (220, 191722), (257, 164120), (373, 113080), (440, 95861), (514, 82060), (746, 56540), (1028, 41030), (1285, 32824), (1492, 28270), (1865, 22616), (2056, 20515), (2570, 16412), (2827, 14920), (2984, 14135), (3730, 11308), (4103, 10280), (5140, 8206), (5654, 7460)]