64105840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7489}}^1$

素因数の和:7609

約数の個数: 40

約数和(自身を含む): 150459120

約数和(自身を除く): 86353280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7489, 8560, 14978, 29956, 37445, 59912, 74890, 119824, 149780, 299560, 599120, 801323, 1602646, 3205292, 4006615, 6410584, 8013230, 12821168, 16026460, 32052920, 64105840]

約数ペア:

[(1, 64105840), (2, 32052920), (4, 16026460), (5, 12821168), (8, 8013230), (10, 6410584), (16, 4006615), (20, 3205292), (40, 1602646), (80, 801323), (107, 599120), (214, 299560), (428, 149780), (535, 119824), (856, 74890), (1070, 59912), (1712, 37445), (2140, 29956), (4280, 14978), (7489, 8560)]