39982540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1493}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 91361088

約数和(自身を除く): 51378548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 1493, 2060, 2678, 2986, 5356, 5972, 6695, 7465, 13390, 14930, 19409, 26780, 29860, 38818, 77636, 97045, 153779, 194090, 307558, 388180, 615116, 768895, 1537790, 1999127, 3075580, 3998254, 7996508, 9995635, 19991270, 39982540]

約数ペア:

[(1, 39982540), (2, 19991270), (4, 9995635), (5, 7996508), (10, 3998254), (13, 3075580), (20, 1999127), (26, 1537790), (52, 768895), (65, 615116), (103, 388180), (130, 307558), (206, 194090), (260, 153779), (412, 97045), (515, 77636), (1030, 38818), (1339, 29860), (1493, 26780), (2060, 19409), (2678, 14930), (2986, 13390), (5356, 7465), (5972, 6695)]