85943780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10716

約数の個数: 48

約数和(自身を含む): 200653824

約数和(自身を除く): 114710044

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, 10663, 21326, 42652, 53315, 106630, 138619, 213260, 277238, 330553, 554476, 661106, 693095, 1322212, 1386190, 1652765, 2772380, 3305530, 4297189, 6611060, 8594378, 17188756, 21485945, 42971890, 85943780]

約数ペア:

[(1, 85943780), (2, 42971890), (4, 21485945), (5, 17188756), (10, 8594378), (13, 6611060), (20, 4297189), (26, 3305530), (31, 2772380), (52, 1652765), (62, 1386190), (65, 1322212), (124, 693095), (130, 661106), (155, 554476), (260, 330553), (310, 277238), (403, 213260), (620, 138619), (806, 106630), (1612, 53315), (2015, 42652), (4030, 21326), (8060, 10663)]