52807820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 120149568

約数和(自身を除く): 67341748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1031, 1970, 2062, 2561, 3940, 4124, 5122, 5155, 10244, 10310, 12805, 13403, 20620, 25610, 26806, 51220, 53612, 67015, 134030, 203107, 268060, 406214, 812428, 1015535, 2031070, 2640391, 4062140, 5280782, 10561564, 13201955, 26403910, 52807820]

約数ペア:

[(1, 52807820), (2, 26403910), (4, 13201955), (5, 10561564), (10, 5280782), (13, 4062140), (20, 2640391), (26, 2031070), (52, 1015535), (65, 812428), (130, 406214), (197, 268060), (260, 203107), (394, 134030), (788, 67015), (985, 53612), (1031, 51220), (1970, 26806), (2062, 25610), (2561, 20620), (3940, 13403), (4124, 12805), (5122, 10310), (5155, 10244)]