51447280

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2833}}^1$

素因数の和:3073

約数の個数: 40

約数和(自身を含む): 120184272

約数和(自身を除く): 68736992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 2833, 3632, 4540, 5666, 9080, 11332, 14165, 18160, 22664, 28330, 45328, 56660, 113320, 226640, 643091, 1286182, 2572364, 3215455, 5144728, 6430910, 10289456, 12861820, 25723640, 51447280]

約数ペア:

[(1, 51447280), (2, 25723640), (4, 12861820), (5, 10289456), (8, 6430910), (10, 5144728), (16, 3215455), (20, 2572364), (40, 1286182), (80, 643091), (227, 226640), (454, 113320), (908, 56660), (1135, 45328), (1816, 28330), (2270, 22664), (2833, 18160), (3632, 14165), (4540, 11332), (5666, 9080)]