1520305940

素因数分解:

$2^2\times 5^1\times {\mathrm{6521}}^1\times {\mathrm{11657}}^1$

素因数の和:18187

約数の個数: 24

約数和(自身を含む): 3193405992

約数和(自身を除く): 1673100052

約数列:

[1, 2, 4, 5, 10, 20, 6521, 11657, 13042, 23314, 26084, 32605, 46628, 58285, 65210, 116570, 130420, 233140, 76015297, 152030594, 304061188, 380076485, 760152970, 1520305940]

約数ペア:

[(1, 1520305940), (2, 760152970), (4, 380076485), (5, 304061188), (10, 152030594), (20, 76015297), (6521, 233140), (11657, 130420), (13042, 116570), (23314, 65210), (26084, 58285), (32605, 46628)]