25504520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 59486400

約数和(自身を除く): 33981880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 101, 107, 118, 202, 214, 236, 295, 404, 428, 472, 505, 535, 590, 808, 856, 1010, 1070, 1180, 2020, 2140, 2360, 4040, 4280, 5959, 6313, 10807, 11918, 12626, 21614, 23836, 25252, 29795, 31565, 43228, 47672, 50504, 54035, 59590, 63130, 86456, 108070, 119180, 126260, 216140, 238360, 252520, 432280, 637613, 1275226, 2550452, 3188065, 5100904, 6376130, 12752260, 25504520]

約数ペア:

[(1, 25504520), (2, 12752260), (4, 6376130), (5, 5100904), (8, 3188065), (10, 2550452), (20, 1275226), (40, 637613), (59, 432280), (101, 252520), (107, 238360), (118, 216140), (202, 126260), (214, 119180), (236, 108070), (295, 86456), (404, 63130), (428, 59590), (472, 54035), (505, 50504), (535, 47672), (590, 43228), (808, 31565), (856, 29795), (1010, 25252), (1070, 23836), (1180, 21614), (2020, 12626), (2140, 11918), (2360, 10807), (4040, 6313), (4280, 5959)]