8672240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2577

約数の個数: 40

約数和(自身を含む): 20640048

約数和(自身を除く): 11967808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2521, 3440, 5042, 10084, 12605, 20168, 25210, 40336, 50420, 100840, 108403, 201680, 216806, 433612, 542015, 867224, 1084030, 1734448, 2168060, 4336120, 8672240]

約数ペア:

[(1, 8672240), (2, 4336120), (4, 2168060), (5, 1734448), (8, 1084030), (10, 867224), (16, 542015), (20, 433612), (40, 216806), (43, 201680), (80, 108403), (86, 100840), (172, 50420), (215, 40336), (344, 25210), (430, 20168), (688, 12605), (860, 10084), (1720, 5042), (2521, 3440)]