40881230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2003}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 79791264

約数和(自身を除く): 38910034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2003, 2041, 4006, 4082, 10015, 10205, 20030, 20410, 26039, 52078, 130195, 260390, 314471, 628942, 1572355, 3144710, 4088123, 8176246, 20440615, 40881230]

約数ペア:

[(1, 40881230), (2, 20440615), (5, 8176246), (10, 4088123), (13, 3144710), (26, 1572355), (65, 628942), (130, 314471), (157, 260390), (314, 130195), (785, 52078), (1570, 26039), (2003, 20410), (2041, 20030), (4006, 10205), (4082, 10015)]