55507840

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2079

約数の個数: 64

約数和(自身を含む): 135851760

約数和(自身を除く): 80343920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2017, 2752, 3440, 4034, 5504, 6880, 8068, 10085, 13760, 16136, 20170, 27520, 32272, 40340, 64544, 80680, 86731, 129088, 161360, 173462, 258176, 322720, 346924, 433655, 645440, 693848, 867310, 1290880, 1387696, 1734620, 2775392, 3469240, 5550784, 6938480, 11101568, 13876960, 27753920, 55507840]

約数ペア:

[(1, 55507840), (2, 27753920), (4, 13876960), (5, 11101568), (8, 6938480), (10, 5550784), (16, 3469240), (20, 2775392), (32, 1734620), (40, 1387696), (43, 1290880), (64, 867310), (80, 693848), (86, 645440), (128, 433655), (160, 346924), (172, 322720), (215, 258176), (320, 173462), (344, 161360), (430, 129088), (640, 86731), (688, 80680), (860, 64544), (1376, 40340), (1720, 32272), (2017, 27520), (2752, 20170), (3440, 16136), (4034, 13760), (5504, 10085), (6880, 8068)]