25852520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9103}}^1$

素因数の和:9185

約数の個数: 32

約数和(自身を含む): 58993920

約数和(自身を除く): 33141400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9103, 18206, 36412, 45515, 72824, 91030, 182060, 364120, 646313, 1292626, 2585252, 3231565, 5170504, 6463130, 12926260, 25852520]

約数ペア:

[(1, 25852520), (2, 12926260), (4, 6463130), (5, 5170504), (8, 3231565), (10, 2585252), (20, 1292626), (40, 646313), (71, 364120), (142, 182060), (284, 91030), (355, 72824), (568, 45515), (710, 36412), (1420, 18206), (2840, 9103)]