265262660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32911}}^1$

素因数の和:32964

約数の個数: 48

約数和(自身を含む): 619272192

約数和(自身を除く): 354009532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 32911, 65822, 131644, 164555, 329110, 427843, 658220, 855686, 1020241, 1711372, 2040482, 2139215, 4080964, 4278430, 5101205, 8556860, 10202410, 13263133, 20404820, 26526266, 53052532, 66315665, 132631330, 265262660]

約数ペア:

[(1, 265262660), (2, 132631330), (4, 66315665), (5, 53052532), (10, 26526266), (13, 20404820), (20, 13263133), (26, 10202410), (31, 8556860), (52, 5101205), (62, 4278430), (65, 4080964), (124, 2139215), (130, 2040482), (155, 1711372), (260, 1020241), (310, 855686), (403, 658220), (620, 427843), (806, 329110), (1612, 164555), (2015, 131644), (4030, 65822), (8060, 32911)]