39780688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 80272640

約数和(自身を除く): 40491952

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 577, 1112, 1154, 2224, 2308, 4309, 4616, 8618, 9232, 17236, 17887, 34472, 35774, 68944, 71548, 80203, 143096, 160406, 286192, 320812, 641624, 1283248, 2486293, 4972586, 9945172, 19890344, 39780688]

約数ペア:

[(1, 39780688), (2, 19890344), (4, 9945172), (8, 4972586), (16, 2486293), (31, 1283248), (62, 641624), (124, 320812), (139, 286192), (248, 160406), (278, 143096), (496, 80203), (556, 71548), (577, 68944), (1112, 35774), (1154, 34472), (2224, 17887), (2308, 17236), (4309, 9232), (4616, 8618)]