66379580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{49537}}^1$

素因数の和:49613

約数の個数: 24

約数和(自身を含む): 141480528

約数和(自身を除く): 75100948

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 49537, 99074, 198148, 247685, 495370, 990740, 3318979, 6637958, 13275916, 16594895, 33189790, 66379580]

約数ペア:

[(1, 66379580), (2, 33189790), (4, 16594895), (5, 13275916), (10, 6637958), (20, 3318979), (67, 990740), (134, 495370), (268, 247685), (335, 198148), (670, 99074), (1340, 49537)]