13957840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13447

約数の個数: 40

約数和(自身を含む): 34950888

約数和(自身を除く): 20993048

約数列:

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

約数ペア:

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