868166780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107713}}^1$

素因数の和:107766

約数の個数: 48

約数和(自身を含む): 2026746624

約数和(自身を除く): 1158579844

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, 107713, 215426, 430852, 538565, 1077130, 1400269, 2154260, 2800538, 3339103, 5601076, 6678206, 7001345, 13356412, 14002690, 16695515, 28005380, 33391030, 43408339, 66782060, 86816678, 173633356, 217041695, 434083390, 868166780]

約数ペア:

[(1, 868166780), (2, 434083390), (4, 217041695), (5, 173633356), (10, 86816678), (13, 66782060), (20, 43408339), (26, 33391030), (31, 28005380), (52, 16695515), (62, 14002690), (65, 13356412), (124, 7001345), (130, 6678206), (155, 5601076), (260, 3339103), (310, 2800538), (403, 2154260), (620, 1400269), (806, 1077130), (1612, 538565), (2015, 430852), (4030, 215426), (8060, 107713)]