79858220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307147}}^1$

素因数の和:307169

約数の個数: 24

約数和(自身を含む): 180603024

約数和(自身を除く): 100744804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307147, 614294, 1228588, 1535735, 3071470, 3992911, 6142940, 7985822, 15971644, 19964555, 39929110, 79858220]

約数ペア:

[(1, 79858220), (2, 39929110), (4, 19964555), (5, 15971644), (10, 7985822), (13, 6142940), (20, 3992911), (26, 3071470), (52, 1535735), (65, 1228588), (130, 614294), (260, 307147)]