66505760

素因数分解:

$2^5\times 5^1\times {\mathrm{415661}}^1$

素因数の和:415676

約数の個数: 24

約数和(自身を含む): 157120236

約数和(自身を除く): 90614476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 415661, 831322, 1662644, 2078305, 3325288, 4156610, 6650576, 8313220, 13301152, 16626440, 33252880, 66505760]

約数ペア:

[(1, 66505760), (2, 33252880), (4, 16626440), (5, 13301152), (8, 8313220), (10, 6650576), (16, 4156610), (20, 3325288), (32, 2078305), (40, 1662644), (80, 831322), (160, 415661)]