66680140

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32369}}^1$

素因数の和:32481

約数の個数: 24

約数和(自身を含む): 141392160

約数和(自身を除く): 74712020

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 32369, 64738, 129476, 161845, 323690, 647380, 3334007, 6668014, 13336028, 16670035, 33340070, 66680140]

約数ペア:

[(1, 66680140), (2, 33340070), (4, 16670035), (5, 13336028), (10, 6668014), (20, 3334007), (103, 647380), (206, 323690), (412, 161845), (515, 129476), (1030, 64738), (2060, 32369)]