161085440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{15731}}^1$

素因数の和:15758

約数の個数: 48

約数和(自身を含む): 386535240

約数和(自身を除く): 225449800

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, 5120, 10240, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 503392, 629240, 1006784, 1258480, 2013568, 2516960, 4027136, 5033920, 8054272, 10067840, 16108544, 20135680, 32217088, 40271360, 80542720, 161085440]

約数ペア:

[(1, 161085440), (2, 80542720), (4, 40271360), (5, 32217088), (8, 20135680), (10, 16108544), (16, 10067840), (20, 8054272), (32, 5033920), (40, 4027136), (64, 2516960), (80, 2013568), (128, 1258480), (160, 1006784), (256, 629240), (320, 503392), (512, 314620), (640, 251696), (1024, 157310), (1280, 125848), (2048, 78655), (2560, 62924), (5120, 31462), (10240, 15731)]