64156820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35251}}^1$

素因数の和:35280

約数の個数: 48

約数和(自身を含む): 165825408

約数和(自身を除く): 101668588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 35251, 70502, 141004, 176255, 246757, 352510, 458263, 493514, 705020, 916526, 987028, 1233785, 1833052, 2291315, 2467570, 3207841, 4582630, 4935140, 6415682, 9165260, 12831364, 16039205, 32078410, 64156820]

約数ペア:

[(1, 64156820), (2, 32078410), (4, 16039205), (5, 12831364), (7, 9165260), (10, 6415682), (13, 4935140), (14, 4582630), (20, 3207841), (26, 2467570), (28, 2291315), (35, 1833052), (52, 1233785), (65, 987028), (70, 916526), (91, 705020), (130, 493514), (140, 458263), (182, 352510), (260, 246757), (364, 176255), (455, 141004), (910, 70502), (1820, 35251)]