65553280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7911

約数の個数: 64

約数和(自身を含む): 168789600

約数和(自身を除く): 103236320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 7879, 8320, 15758, 31516, 39395, 63032, 78790, 102427, 126064, 157580, 204854, 252128, 315160, 409708, 504256, 512135, 630320, 819416, 1008512, 1024270, 1260640, 1638832, 2048540, 2521280, 3277664, 4097080, 5042560, 6555328, 8194160, 13110656, 16388320, 32776640, 65553280]

約数ペア:

[(1, 65553280), (2, 32776640), (4, 16388320), (5, 13110656), (8, 8194160), (10, 6555328), (13, 5042560), (16, 4097080), (20, 3277664), (26, 2521280), (32, 2048540), (40, 1638832), (52, 1260640), (64, 1024270), (65, 1008512), (80, 819416), (104, 630320), (128, 512135), (130, 504256), (160, 409708), (208, 315160), (260, 252128), (320, 204854), (416, 157580), (520, 126064), (640, 102427), (832, 78790), (1040, 63032), (1664, 39395), (2080, 31516), (4160, 15758), (7879, 8320)]