87081320

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1949}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 196209000

約数和(自身を除く): 109127680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 1949, 2234, 3898, 4468, 5585, 7796, 8936, 9745, 11170, 15592, 19490, 22340, 38980, 44680, 77960, 2177033, 4354066, 8708132, 10885165, 17416264, 21770330, 43540660, 87081320]

約数ペア:

[(1, 87081320), (2, 43540660), (4, 21770330), (5, 17416264), (8, 10885165), (10, 8708132), (20, 4354066), (40, 2177033), (1117, 77960), (1949, 44680), (2234, 38980), (3898, 22340), (4468, 19490), (5585, 15592), (7796, 11170), (8936, 9745)]