40438688

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 84460320

約数和(自身を除く): 44021632

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 227, 293, 304, 454, 586, 608, 908, 1172, 1816, 2344, 3632, 4313, 4688, 5567, 7264, 8626, 9376, 11134, 17252, 22268, 34504, 44536, 66511, 69008, 89072, 133022, 138016, 178144, 266044, 532088, 1064176, 1263709, 2128352, 2527418, 5054836, 10109672, 20219344, 40438688]

約数ペア:

[(1, 40438688), (2, 20219344), (4, 10109672), (8, 5054836), (16, 2527418), (19, 2128352), (32, 1263709), (38, 1064176), (76, 532088), (152, 266044), (227, 178144), (293, 138016), (304, 133022), (454, 89072), (586, 69008), (608, 66511), (908, 44536), (1172, 34504), (1816, 22268), (2344, 17252), (3632, 11134), (4313, 9376), (4688, 8626), (5567, 7264)]