25961540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 33913660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 593, 796, 995, 1186, 1990, 2189, 2372, 2965, 3980, 4378, 5930, 6523, 8756, 10945, 11860, 13046, 21890, 26092, 32615, 43780, 65230, 118007, 130460, 236014, 472028, 590035, 1180070, 1298077, 2360140, 2596154, 5192308, 6490385, 12980770, 25961540]

約数ペア:

[(1, 25961540), (2, 12980770), (4, 6490385), (5, 5192308), (10, 2596154), (11, 2360140), (20, 1298077), (22, 1180070), (44, 590035), (55, 472028), (110, 236014), (199, 130460), (220, 118007), (398, 65230), (593, 43780), (796, 32615), (995, 26092), (1186, 21890), (1990, 13046), (2189, 11860), (2372, 10945), (2965, 8756), (3980, 6523), (4378, 5930)]