2005069840

素因数分解:

$2^4\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{15017}}^1$

素因数の和:16699

約数の個数: 40

約数和(自身を含む): 4664891160

約数和(自身を除く): 2659821320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1669, 3338, 6676, 8345, 13352, 15017, 16690, 26704, 30034, 33380, 60068, 66760, 75085, 120136, 133520, 150170, 240272, 300340, 600680, 1201360, 25063373, 50126746, 100253492, 125316865, 200506984, 250633730, 401013968, 501267460, 1002534920, 2005069840]

約数ペア:

[(1, 2005069840), (2, 1002534920), (4, 501267460), (5, 401013968), (8, 250633730), (10, 200506984), (16, 125316865), (20, 100253492), (40, 50126746), (80, 25063373), (1669, 1201360), (3338, 600680), (6676, 300340), (8345, 240272), (13352, 150170), (15017, 133520), (16690, 120136), (26704, 75085), (30034, 66760), (33380, 60068)]