71307340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274259}}^1$

素因数の和:274281

約数の個数: 24

約数和(自身を含む): 161264880

約数和(自身を除く): 89957540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274259, 548518, 1097036, 1371295, 2742590, 3565367, 5485180, 7130734, 14261468, 17826835, 35653670, 71307340]

約数ペア:

[(1, 71307340), (2, 35653670), (4, 17826835), (5, 14261468), (10, 7130734), (13, 5485180), (20, 3565367), (26, 2742590), (52, 1371295), (65, 1097036), (130, 548518), (260, 274259)]