65755880

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2027}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 148206240

約数和(自身を除く): 82450360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2027, 3244, 4054, 4055, 6488, 8108, 8110, 10135, 16216, 16220, 20270, 32440, 40540, 81080, 1643897, 3287794, 6575588, 8219485, 13151176, 16438970, 32877940, 65755880]

約数ペア:

[(1, 65755880), (2, 32877940), (4, 16438970), (5, 13151176), (8, 8219485), (10, 6575588), (20, 3287794), (40, 1643897), (811, 81080), (1622, 40540), (2027, 32440), (3244, 20270), (4054, 16220), (4055, 16216), (6488, 10135), (8108, 8110)]