29759440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 72870336

約数和(自身を除く): 43110896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 211, 215, 328, 344, 410, 422, 430, 656, 688, 820, 844, 860, 1055, 1640, 1688, 1720, 1763, 2110, 3280, 3376, 3440, 3526, 4220, 7052, 8440, 8651, 8815, 9073, 14104, 16880, 17302, 17630, 18146, 28208, 34604, 35260, 36292, 43255, 45365, 69208, 70520, 72584, 86510, 90730, 138416, 141040, 145168, 173020, 181460, 346040, 362920, 371993, 692080, 725840, 743986, 1487972, 1859965, 2975944, 3719930, 5951888, 7439860, 14879720, 29759440]

約数ペア:

[(1, 29759440), (2, 14879720), (4, 7439860), (5, 5951888), (8, 3719930), (10, 2975944), (16, 1859965), (20, 1487972), (40, 743986), (41, 725840), (43, 692080), (80, 371993), (82, 362920), (86, 346040), (164, 181460), (172, 173020), (205, 145168), (211, 141040), (215, 138416), (328, 90730), (344, 86510), (410, 72584), (422, 70520), (430, 69208), (656, 45365), (688, 43255), (820, 36292), (844, 35260), (860, 34604), (1055, 28208), (1640, 18146), (1688, 17630), (1720, 17302), (1763, 16880), (2110, 14104), (3280, 9073), (3376, 8815), (3440, 8651), (3526, 8440), (4220, 7052)]