268177520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257863}}^1$

素因数の和:257889

約数の個数: 40

約数和(自身を含む): 671477856

約数和(自身を除く): 403300336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 257863, 515726, 1031452, 1289315, 2062904, 2578630, 3352219, 4125808, 5157260, 6704438, 10314520, 13408876, 16761095, 20629040, 26817752, 33522190, 53635504, 67044380, 134088760, 268177520]

約数ペア:

[(1, 268177520), (2, 134088760), (4, 67044380), (5, 53635504), (8, 33522190), (10, 26817752), (13, 20629040), (16, 16761095), (20, 13408876), (26, 10314520), (40, 6704438), (52, 5157260), (65, 4125808), (80, 3352219), (104, 2578630), (130, 2062904), (208, 1289315), (260, 1031452), (520, 515726), (1040, 257863)]