40140784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80929}}^1$

素因数の和:80968

約数の個数: 20

約数和(自身を含む): 80282560

約数和(自身を除く): 40141776

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80929, 161858, 323716, 647432, 1294864, 2508799, 5017598, 10035196, 20070392, 40140784]

約数ペア:

[(1, 40140784), (2, 20070392), (4, 10035196), (8, 5017598), (16, 2508799), (31, 1294864), (62, 647432), (124, 323716), (248, 161858), (496, 80929)]