130631180

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{18503}}^1$

素因数の和:18865

約数の個数: 24

約数和(自身を含む): 275117472

約数和(自身を除く): 144486292

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 18503, 37006, 74012, 92515, 185030, 370060, 6531559, 13063118, 26126236, 32657795, 65315590, 130631180]

約数ペア:

[(1, 130631180), (2, 65315590), (4, 32657795), (5, 26126236), (10, 13063118), (20, 6531559), (353, 370060), (706, 185030), (1412, 92515), (1765, 74012), (3530, 37006), (7060, 18503)]