80860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 183456

約数和(自身を除く): 102596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1244, 1555, 3110, 4043, 6220, 8086, 16172, 20215, 40430, 80860]

約数ペア:

[(1, 80860), (2, 40430), (4, 20215), (5, 16172), (10, 8086), (13, 6220), (20, 4043), (26, 3110), (52, 1555), (65, 1244), (130, 622), (260, 311)]