8678741080

素因数分解:

$2^3\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{111323}}^1$

素因数の和:113283

約数の個数: 32

約数和(自身を含む): 19537362000

約数和(自身を除く): 10858620920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949, 3898, 7796, 9745, 15592, 19490, 38980, 77960, 111323, 222646, 445292, 556615, 890584, 1113230, 2226460, 4452920, 216968527, 433937054, 867874108, 1084842635, 1735748216, 2169685270, 4339370540, 8678741080]

約数ペア:

[(1, 8678741080), (2, 4339370540), (4, 2169685270), (5, 1735748216), (8, 1084842635), (10, 867874108), (20, 433937054), (40, 216968527), (1949, 4452920), (3898, 2226460), (7796, 1113230), (9745, 890584), (15592, 556615), (19490, 445292), (38980, 222646), (77960, 111323)]