80496560

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9769}}^1$

素因数の和:9885

約数の個数: 40

約数和(自身を含む): 188990880

約数和(自身を除く): 108494320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 9769, 19538, 39076, 48845, 78152, 97690, 156304, 195380, 390760, 781520, 1006207, 2012414, 4024828, 5031035, 8049656, 10062070, 16099312, 20124140, 40248280, 80496560]

約数ペア:

[(1, 80496560), (2, 40248280), (4, 20124140), (5, 16099312), (8, 10062070), (10, 8049656), (16, 5031035), (20, 4024828), (40, 2012414), (80, 1006207), (103, 781520), (206, 390760), (412, 195380), (515, 156304), (824, 97690), (1030, 78152), (1648, 48845), (2060, 39076), (4120, 19538), (8240, 9769)]