17980495360

素因数分解:

$2^9\times 5^1\times {\mathrm{7023631}}^1$

素因数の和:7023654

約数の個数: 40

約数和(自身を含む): 43111053216

約数和(自身を除く): 25130557856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7023631, 14047262, 28094524, 35118155, 56189048, 70236310, 112378096, 140472620, 224756192, 280945240, 449512384, 561890480, 899024768, 1123780960, 1798049536, 2247561920, 3596099072, 4495123840, 8990247680, 17980495360]

約数ペア:

[(1, 17980495360), (2, 8990247680), (4, 4495123840), (5, 3596099072), (8, 2247561920), (10, 1798049536), (16, 1123780960), (20, 899024768), (32, 561890480), (40, 449512384), (64, 280945240), (80, 224756192), (128, 140472620), (160, 112378096), (256, 70236310), (320, 56189048), (512, 35118155), (640, 28094524), (1280, 14047262), (2560, 7023631)]