12496660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 29316672

約数和(自身を除く): 16820012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1321, 1892, 2365, 2642, 4730, 5284, 6605, 9460, 13210, 14531, 26420, 29062, 56803, 58124, 72655, 113606, 145310, 227212, 284015, 290620, 568030, 624833, 1136060, 1249666, 2499332, 3124165, 6248330, 12496660]

約数ペア:

[(1, 12496660), (2, 6248330), (4, 3124165), (5, 2499332), (10, 1249666), (11, 1136060), (20, 624833), (22, 568030), (43, 290620), (44, 284015), (55, 227212), (86, 145310), (110, 113606), (172, 72655), (215, 58124), (220, 56803), (430, 29062), (473, 26420), (860, 14531), (946, 13210), (1321, 9460), (1892, 6605), (2365, 5284), (2642, 4730)]