25916345

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 13919815

約数列:

[1, 5, 7, 13, 35, 49, 65, 79, 91, 103, 245, 395, 455, 515, 553, 637, 721, 1027, 1339, 2765, 3185, 3605, 3871, 5047, 5135, 6695, 7189, 8137, 9373, 19355, 25235, 35945, 40685, 46865, 50323, 56959, 65611, 105781, 251615, 284795, 328055, 398713, 528905, 740467, 1993565, 3702335, 5183269, 25916345]

約数ペア:

[(1, 25916345), (5, 5183269), (7, 3702335), (13, 1993565), (35, 740467), (49, 528905), (65, 398713), (79, 328055), (91, 284795), (103, 251615), (245, 105781), (395, 65611), (455, 56959), (515, 50323), (553, 46865), (637, 40685), (721, 35945), (1027, 25235), (1339, 19355), (2765, 9373), (3185, 8137), (3605, 7189), (3871, 6695), (5047, 5135)]