27915680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13449

約数の個数: 48

約数和(自身を含む): 71029224

約数和(自身を除く): 43113544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13421, 26842, 53684, 67105, 107368, 134210, 174473, 214736, 268420, 348946, 429472, 536840, 697892, 872365, 1073680, 1395784, 1744730, 2147360, 2791568, 3489460, 5583136, 6978920, 13957840, 27915680]

約数ペア:

[(1, 27915680), (2, 13957840), (4, 6978920), (5, 5583136), (8, 3489460), (10, 2791568), (13, 2147360), (16, 1744730), (20, 1395784), (26, 1073680), (32, 872365), (40, 697892), (52, 536840), (65, 429472), (80, 348946), (104, 268420), (130, 214736), (160, 174473), (208, 134210), (260, 107368), (416, 67105), (520, 53684), (1040, 26842), (2080, 13421)]