2015965750

素因数分解:

$2^1\times 5^3\times {\mathrm{643}}^1\times {\mathrm{12541}}^1$

素因数の和:13201

約数の個数: 32

約数和(自身を含む): 3780058464

約数和(自身を除く): 1764092714

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 643, 1286, 3215, 6430, 12541, 16075, 25082, 32150, 62705, 80375, 125410, 160750, 313525, 627050, 1567625, 3135250, 8063863, 16127726, 40319315, 80638630, 201596575, 403193150, 1007982875, 2015965750]

約数ペア:

[(1, 2015965750), (2, 1007982875), (5, 403193150), (10, 201596575), (25, 80638630), (50, 40319315), (125, 16127726), (250, 8063863), (643, 3135250), (1286, 1567625), (3215, 627050), (6430, 313525), (12541, 160750), (16075, 125410), (25082, 80375), (32150, 62705)]