80723860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{883}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 194253696

約数和(自身を除く): 113529836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 883, 1306, 1766, 2612, 3265, 3532, 4415, 4571, 6181, 6530, 8830, 9142, 12362, 13060, 17660, 18284, 22855, 24724, 30905, 45710, 61810, 91420, 123620, 576599, 1153198, 2306396, 2882995, 4036193, 5765990, 8072386, 11531980, 16144772, 20180965, 40361930, 80723860]

約数ペア:

[(1, 80723860), (2, 40361930), (4, 20180965), (5, 16144772), (7, 11531980), (10, 8072386), (14, 5765990), (20, 4036193), (28, 2882995), (35, 2306396), (70, 1153198), (140, 576599), (653, 123620), (883, 91420), (1306, 61810), (1766, 45710), (2612, 30905), (3265, 24724), (3532, 22855), (4415, 18284), (4571, 17660), (6181, 13060), (6530, 12362), (8830, 9142)]