129451660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16061}}^1$

素因数の和:16114

約数の個数: 48

約数和(自身を含む): 302222592

約数和(自身を除く): 172770932

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, 16061, 32122, 64244, 80305, 160610, 208793, 321220, 417586, 497891, 835172, 995782, 1043965, 1991564, 2087930, 2489455, 4175860, 4978910, 6472583, 9957820, 12945166, 25890332, 32362915, 64725830, 129451660]

約数ペア:

[(1, 129451660), (2, 64725830), (4, 32362915), (5, 25890332), (10, 12945166), (13, 9957820), (20, 6472583), (26, 4978910), (31, 4175860), (52, 2489455), (62, 2087930), (65, 1991564), (124, 1043965), (130, 995782), (155, 835172), (260, 497891), (310, 417586), (403, 321220), (620, 208793), (806, 160610), (1612, 80305), (2015, 64244), (4030, 32122), (8060, 16061)]