66295640

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{1877}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 149413680

約数和(自身を除く): 83118040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 1877, 3532, 3754, 4415, 7064, 7508, 8830, 9385, 15016, 17660, 18770, 35320, 37540, 75080, 1657391, 3314782, 6629564, 8286955, 13259128, 16573910, 33147820, 66295640]

約数ペア:

[(1, 66295640), (2, 33147820), (4, 16573910), (5, 13259128), (8, 8286955), (10, 6629564), (20, 3314782), (40, 1657391), (883, 75080), (1766, 37540), (1877, 35320), (3532, 18770), (3754, 17660), (4415, 15016), (7064, 9385), (7508, 8830)]