2026960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1975

約数の個数: 40

約数和(自身を含む): 5077800

約数和(自身を除く): 3050840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1949, 3898, 7796, 9745, 15592, 19490, 25337, 31184, 38980, 50674, 77960, 101348, 126685, 155920, 202696, 253370, 405392, 506740, 1013480, 2026960]

約数ペア:

[(1, 2026960), (2, 1013480), (4, 506740), (5, 405392), (8, 253370), (10, 202696), (13, 155920), (16, 126685), (20, 101348), (26, 77960), (40, 50674), (52, 38980), (65, 31184), (80, 25337), (104, 19490), (130, 15592), (208, 9745), (260, 7796), (520, 3898), (1040, 1949)]