40938064

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 81894560

約数和(自身を除く): 40956496

約数列:

[1, 2, 4, 8, 16, 43, 86, 157, 172, 314, 344, 379, 628, 688, 758, 1256, 1516, 2512, 3032, 6064, 6751, 13502, 16297, 27004, 32594, 54008, 59503, 65188, 108016, 119006, 130376, 238012, 260752, 476024, 952048, 2558629, 5117258, 10234516, 20469032, 40938064]

約数ペア:

[(1, 40938064), (2, 20469032), (4, 10234516), (8, 5117258), (16, 2558629), (43, 952048), (86, 476024), (157, 260752), (172, 238012), (314, 130376), (344, 119006), (379, 108016), (628, 65188), (688, 59503), (758, 54008), (1256, 32594), (1516, 27004), (2512, 16297), (3032, 13502), (6064, 6751)]