55046780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19801}}^1$

素因数の和:19949

約数の個数: 24

約数和(自身を含む): 116435760

約数和(自身を除く): 61388980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19801, 39602, 79204, 99005, 198010, 396020, 2752339, 5504678, 11009356, 13761695, 27523390, 55046780]

約数ペア:

[(1, 55046780), (2, 27523390), (4, 13761695), (5, 11009356), (10, 5504678), (20, 2752339), (139, 396020), (278, 198010), (556, 99005), (695, 79204), (1390, 39602), (2780, 19801)]