71340560

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1601}}^1$

素因数の和:2171

約数の個数: 40

約数和(自身を含む): 166268376

約数和(自身を除く): 94927816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1601, 2228, 2785, 3202, 4456, 5570, 6404, 8005, 8912, 11140, 12808, 16010, 22280, 25616, 32020, 44560, 64040, 128080, 891757, 1783514, 3567028, 4458785, 7134056, 8917570, 14268112, 17835140, 35670280, 71340560]

約数ペア:

[(1, 71340560), (2, 35670280), (4, 17835140), (5, 14268112), (8, 8917570), (10, 7134056), (16, 4458785), (20, 3567028), (40, 1783514), (80, 891757), (557, 128080), (1114, 64040), (1601, 44560), (2228, 32020), (2785, 25616), (3202, 22280), (4456, 16010), (5570, 12808), (6404, 11140), (8005, 8912)]