56549840

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^1\times {\mathrm{997}}^1$

素因数の和:1719

約数の個数: 40

約数和(自身を含む): 131795880

約数和(自身を除く): 75246040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 997, 1418, 1994, 2836, 3545, 3988, 4985, 5672, 7090, 7976, 9970, 11344, 14180, 15952, 19940, 28360, 39880, 56720, 79760, 706873, 1413746, 2827492, 3534365, 5654984, 7068730, 11309968, 14137460, 28274920, 56549840]

約数ペア:

[(1, 56549840), (2, 28274920), (4, 14137460), (5, 11309968), (8, 7068730), (10, 5654984), (16, 3534365), (20, 2827492), (40, 1413746), (80, 706873), (709, 79760), (997, 56720), (1418, 39880), (1994, 28360), (2836, 19940), (3545, 15952), (3988, 14180), (4985, 11344), (5672, 9970), (7090, 7976)]