25100740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{3659}}^1$

素因数の和:3689

約数の個数: 48

約数和(自身を含む): 61488000

約数和(自身を除く): 36387260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 3659, 6860, 7318, 14636, 18295, 25613, 36590, 51226, 73180, 102452, 128065, 179291, 256130, 358582, 512260, 717164, 896455, 1255037, 1792910, 2510074, 3585820, 5020148, 6275185, 12550370, 25100740]

約数ペア:

[(1, 25100740), (2, 12550370), (4, 6275185), (5, 5020148), (7, 3585820), (10, 2510074), (14, 1792910), (20, 1255037), (28, 896455), (35, 717164), (49, 512260), (70, 358582), (98, 256130), (140, 179291), (196, 128065), (245, 102452), (343, 73180), (490, 51226), (686, 36590), (980, 25613), (1372, 18295), (1715, 14636), (3430, 7318), (3659, 6860)]