131467180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{505643}}^1$

素因数の和:505665

約数の個数: 24

約数和(自身を含む): 297318672

約数和(自身を除く): 165851492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 505643, 1011286, 2022572, 2528215, 5056430, 6573359, 10112860, 13146718, 26293436, 32866795, 65733590, 131467180]

約数ペア:

[(1, 131467180), (2, 65733590), (4, 32866795), (5, 26293436), (10, 13146718), (13, 10112860), (20, 6573359), (26, 5056430), (52, 2528215), (65, 2022572), (130, 1011286), (260, 505643)]