6840340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26309}}^1$

素因数の和:26331

約数の個数: 24

約数和(自身を含む): 15470280

約数和(自身を除く): 8629940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 26309, 52618, 105236, 131545, 263090, 342017, 526180, 684034, 1368068, 1710085, 3420170, 6840340]

約数ペア:

[(1, 6840340), (2, 3420170), (4, 1710085), (5, 1368068), (10, 684034), (13, 526180), (20, 342017), (26, 263090), (52, 131545), (65, 105236), (130, 52618), (260, 26309)]