126620540

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{20357}}^1$

素因数の和:20677

約数の個数: 24

約数和(自身を含む): 266771232

約数和(自身を除く): 140150692

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 20357, 40714, 81428, 101785, 203570, 407140, 6331027, 12662054, 25324108, 31655135, 63310270, 126620540]

約数ペア:

[(1, 126620540), (2, 63310270), (4, 31655135), (5, 25324108), (10, 12662054), (20, 6331027), (311, 407140), (622, 203570), (1244, 101785), (1555, 81428), (3110, 40714), (6220, 20357)]