66240220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{49433}}^1$

素因数の和:49509

約数の個数: 24

約数和(自身を含む): 141183504

約数和(自身を除く): 74943284

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 49433, 98866, 197732, 247165, 494330, 988660, 3312011, 6624022, 13248044, 16560055, 33120110, 66240220]

約数ペア:

[(1, 66240220), (2, 33120110), (4, 16560055), (5, 13248044), (10, 6624022), (20, 3312011), (67, 988660), (134, 494330), (268, 247165), (335, 197732), (670, 98866), (1340, 49433)]