67284620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258787}}^1$

素因数の和:258809

約数の個数: 24

約数和(自身を含む): 152167344

約数和(自身を除く): 84882724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 258787, 517574, 1035148, 1293935, 2587870, 3364231, 5175740, 6728462, 13456924, 16821155, 33642310, 67284620]

約数ペア:

[(1, 67284620), (2, 33642310), (4, 16821155), (5, 13456924), (10, 6728462), (13, 5175740), (20, 3364231), (26, 2587870), (52, 1293935), (65, 1035148), (130, 517574), (260, 258787)]