12103640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 28892160

約数和(自身を除く): 16788520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 227, 248, 310, 344, 430, 454, 620, 860, 908, 1135, 1240, 1333, 1720, 1816, 2270, 2666, 4540, 5332, 6665, 7037, 9080, 9761, 10664, 13330, 14074, 19522, 26660, 28148, 35185, 39044, 48805, 53320, 56296, 70370, 78088, 97610, 140740, 195220, 281480, 302591, 390440, 605182, 1210364, 1512955, 2420728, 3025910, 6051820, 12103640]

約数ペア:

[(1, 12103640), (2, 6051820), (4, 3025910), (5, 2420728), (8, 1512955), (10, 1210364), (20, 605182), (31, 390440), (40, 302591), (43, 281480), (62, 195220), (86, 140740), (124, 97610), (155, 78088), (172, 70370), (215, 56296), (227, 53320), (248, 48805), (310, 39044), (344, 35185), (430, 28148), (454, 26660), (620, 19522), (860, 14074), (908, 13330), (1135, 10664), (1240, 9761), (1333, 9080), (1720, 7037), (1816, 6665), (2270, 5332), (2666, 4540)]