82486820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317257}}^1$

素因数の和:317279

約数の個数: 24

約数和(自身を含む): 186547704

約数和(自身を除く): 104060884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317257, 634514, 1269028, 1586285, 3172570, 4124341, 6345140, 8248682, 16497364, 20621705, 41243410, 82486820]

約数ペア:

[(1, 82486820), (2, 41243410), (4, 20621705), (5, 16497364), (10, 8248682), (13, 6345140), (20, 4124341), (26, 3172570), (52, 1586285), (65, 1269028), (130, 634514), (260, 317257)]