13984520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 35294400

約数和(自身を除く): 21309880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 859, 1480, 1628, 1718, 2035, 3256, 3436, 4070, 4295, 6872, 8140, 8590, 9449, 16280, 17180, 18898, 31783, 34360, 37796, 47245, 63566, 75592, 94490, 127132, 158915, 188980, 254264, 317830, 349613, 377960, 635660, 699226, 1271320, 1398452, 1748065, 2796904, 3496130, 6992260, 13984520]

約数ペア:

[(1, 13984520), (2, 6992260), (4, 3496130), (5, 2796904), (8, 1748065), (10, 1398452), (11, 1271320), (20, 699226), (22, 635660), (37, 377960), (40, 349613), (44, 317830), (55, 254264), (74, 188980), (88, 158915), (110, 127132), (148, 94490), (185, 75592), (220, 63566), (296, 47245), (370, 37796), (407, 34360), (440, 31783), (740, 18898), (814, 17180), (859, 16280), (1480, 9449), (1628, 8590), (1718, 8140), (2035, 6872), (3256, 4295), (3436, 4070)]