25155325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 37028880

約数和(自身を除く): 11873555

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 157, 221, 325, 377, 425, 493, 725, 785, 1105, 1885, 2041, 2465, 2669, 3925, 4553, 5525, 6409, 9425, 10205, 12325, 13345, 22765, 32045, 34697, 51025, 59189, 66725, 77401, 113825, 160225, 173485, 295945, 387005, 867425, 1006213, 1479725, 1935025, 5031065, 25155325]

約数ペア:

[(1, 25155325), (5, 5031065), (13, 1935025), (17, 1479725), (25, 1006213), (29, 867425), (65, 387005), (85, 295945), (145, 173485), (157, 160225), (221, 113825), (325, 77401), (377, 66725), (425, 59189), (493, 51025), (725, 34697), (785, 32045), (1105, 22765), (1885, 13345), (2041, 12325), (2465, 10205), (2669, 9425), (3925, 6409), (4553, 5525)]