40968680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23819}}^1$

素因数の和:23873

約数の個数: 32

約数和(自身を含む): 94327200

約数和(自身を除く): 53358520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23819, 47638, 95276, 119095, 190552, 238190, 476380, 952760, 1024217, 2048434, 4096868, 5121085, 8193736, 10242170, 20484340, 40968680]

約数ペア:

[(1, 40968680), (2, 20484340), (4, 10242170), (5, 8193736), (8, 5121085), (10, 4096868), (20, 2048434), (40, 1024217), (43, 952760), (86, 476380), (172, 238190), (215, 190552), (344, 119095), (430, 95276), (860, 47638), (1720, 23819)]