26403910

素因数分解:

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

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 51492672

約数和(自身を除く): 25088762

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1031, 1970, 2062, 2561, 5122, 5155, 10310, 12805, 13403, 25610, 26806, 67015, 134030, 203107, 406214, 1015535, 2031070, 2640391, 5280782, 13201955, 26403910]

約数ペア:

[(1, 26403910), (2, 13201955), (5, 5280782), (10, 2640391), (13, 2031070), (26, 1015535), (65, 406214), (130, 203107), (197, 134030), (394, 67015), (985, 26806), (1031, 25610), (1970, 13403), (2062, 12805), (2561, 10310), (5122, 5155)]