131328860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{505111}}^1$

素因数の和:505133

約数の個数: 24

約数和(自身を含む): 297005856

約数和(自身を除く): 165676996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 505111, 1010222, 2020444, 2525555, 5051110, 6566443, 10102220, 13132886, 26265772, 32832215, 65664430, 131328860]

約数ペア:

[(1, 131328860), (2, 65664430), (4, 32832215), (5, 26265772), (10, 13132886), (13, 10102220), (20, 6566443), (26, 5051110), (52, 2525555), (65, 2020444), (130, 1010222), (260, 505111)]