54804920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9857}}^1$

素因数の和:10007

約数の個数: 32

約数和(自身を含む): 124210800

約数和(自身を除く): 69405880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 9857, 19714, 39428, 49285, 78856, 98570, 197140, 394280, 1370123, 2740246, 5480492, 6850615, 10960984, 13701230, 27402460, 54804920]

約数ペア:

[(1, 54804920), (2, 27402460), (4, 13701230), (5, 10960984), (8, 6850615), (10, 5480492), (20, 2740246), (40, 1370123), (139, 394280), (278, 197140), (556, 98570), (695, 78856), (1112, 49285), (1390, 39428), (2780, 19714), (5560, 9857)]