84122740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{323549}}^1$

素因数の和:323571

約数の個数: 24

約数和(自身を含む): 190247400

約数和(自身を除く): 106124660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 323549, 647098, 1294196, 1617745, 3235490, 4206137, 6470980, 8412274, 16824548, 21030685, 42061370, 84122740]

約数ペア:

[(1, 84122740), (2, 42061370), (4, 21030685), (5, 16824548), (10, 8412274), (13, 6470980), (20, 4206137), (26, 3235490), (52, 1617745), (65, 1294196), (130, 647098), (260, 323549)]