14879720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 35259840

約数和(自身を除く): 20380120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 211, 215, 328, 344, 410, 422, 430, 820, 844, 860, 1055, 1640, 1688, 1720, 1763, 2110, 3526, 4220, 7052, 8440, 8651, 8815, 9073, 14104, 17302, 17630, 18146, 34604, 35260, 36292, 43255, 45365, 69208, 70520, 72584, 86510, 90730, 173020, 181460, 346040, 362920, 371993, 743986, 1487972, 1859965, 2975944, 3719930, 7439860, 14879720]

約数ペア:

[(1, 14879720), (2, 7439860), (4, 3719930), (5, 2975944), (8, 1859965), (10, 1487972), (20, 743986), (40, 371993), (41, 362920), (43, 346040), (82, 181460), (86, 173020), (164, 90730), (172, 86510), (205, 72584), (211, 70520), (215, 69208), (328, 45365), (344, 43255), (410, 36292), (422, 35260), (430, 34604), (820, 18146), (844, 17630), (860, 17302), (1055, 14104), (1640, 9073), (1688, 8815), (1720, 8651), (1763, 8440), (2110, 7052), (3526, 4220)]