71201680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{80911}}^1$

素因数の和:80935

約数の個数: 40

約数和(自身を含む): 180595584

約数和(自身を除く): 109393904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 80911, 161822, 323644, 404555, 647288, 809110, 890021, 1294576, 1618220, 1780042, 3236440, 3560084, 4450105, 6472880, 7120168, 8900210, 14240336, 17800420, 35600840, 71201680]

約数ペア:

[(1, 71201680), (2, 35600840), (4, 17800420), (5, 14240336), (8, 8900210), (10, 7120168), (11, 6472880), (16, 4450105), (20, 3560084), (22, 3236440), (40, 1780042), (44, 1618220), (55, 1294576), (80, 890021), (88, 809110), (110, 647288), (176, 404555), (220, 323644), (440, 161822), (880, 80911)]