25742470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2880

約数の個数: 32

約数和(自身を含む): 50621760

約数和(自身を除く): 24879290

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2789, 4615, 5578, 9230, 13945, 27890, 36257, 72514, 181285, 198019, 362570, 396038, 990095, 1980190, 2574247, 5148494, 12871235, 25742470]

約数ペア:

[(1, 25742470), (2, 12871235), (5, 5148494), (10, 2574247), (13, 1980190), (26, 990095), (65, 396038), (71, 362570), (130, 198019), (142, 181285), (355, 72514), (710, 36257), (923, 27890), (1846, 13945), (2789, 9230), (4615, 5578)]