161361920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{7879}}^1$

素因数の和:7908

約数の個数: 52

約数和(自身を含む): 387270480

約数和(自身を除く): 225908560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 7879, 10240, 15758, 20480, 31516, 39395, 63032, 78790, 126064, 157580, 252128, 315160, 504256, 630320, 1008512, 1260640, 2017024, 2521280, 4034048, 5042560, 8068096, 10085120, 16136192, 20170240, 32272384, 40340480, 80680960, 161361920]

約数ペア:

[(1, 161361920), (2, 80680960), (4, 40340480), (5, 32272384), (8, 20170240), (10, 16136192), (16, 10085120), (20, 8068096), (32, 5042560), (40, 4034048), (64, 2521280), (80, 2017024), (128, 1260640), (160, 1008512), (256, 630320), (320, 504256), (512, 315160), (640, 252128), (1024, 157580), (1280, 126064), (2048, 78790), (2560, 63032), (4096, 39395), (5120, 31516), (7879, 20480), (10240, 15758)]