80719505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27409}}^1$

素因数の和:27464

約数の個数: 16

約数和(自身を含む): 105254400

約数和(自身を除く): 24534895

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 27409, 137045, 520771, 849679, 2603855, 4248395, 16143901, 80719505]

約数ペア:

[(1, 80719505), (5, 16143901), (19, 4248395), (31, 2603855), (95, 849679), (155, 520771), (589, 137045), (2945, 27409)]