85723520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7879}}^1$

素因数の和:7915

約数の個数: 64

約数和(自身を含む): 217015200

約数和(自身を除く): 131291680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 7879, 10880, 15758, 31516, 39395, 63032, 78790, 126064, 133943, 157580, 252128, 267886, 315160, 504256, 535772, 630320, 669715, 1008512, 1071544, 1260640, 1339430, 2143088, 2521280, 2678860, 4286176, 5042560, 5357720, 8572352, 10715440, 17144704, 21430880, 42861760, 85723520]

約数ペア:

[(1, 85723520), (2, 42861760), (4, 21430880), (5, 17144704), (8, 10715440), (10, 8572352), (16, 5357720), (17, 5042560), (20, 4286176), (32, 2678860), (34, 2521280), (40, 2143088), (64, 1339430), (68, 1260640), (80, 1071544), (85, 1008512), (128, 669715), (136, 630320), (160, 535772), (170, 504256), (272, 315160), (320, 267886), (340, 252128), (544, 157580), (640, 133943), (680, 126064), (1088, 78790), (1360, 63032), (2176, 39395), (2720, 31516), (5440, 15758), (7879, 10880)]