85817420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{330067}}^1$

素因数の和:330089

約数の個数: 24

約数和(自身を含む): 194079984

約数和(自身を除く): 108262564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 330067, 660134, 1320268, 1650335, 3300670, 4290871, 6601340, 8581742, 17163484, 21454355, 42908710, 85817420]

約数ペア:

[(1, 85817420), (2, 42908710), (4, 21454355), (5, 17163484), (10, 8581742), (13, 6601340), (20, 4290871), (26, 3300670), (52, 1650335), (65, 1320268), (130, 660134), (260, 330067)]