25726360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 38555240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 991, 1180, 1298, 1982, 2360, 2596, 3245, 3964, 4955, 5192, 6490, 7928, 9910, 10901, 12980, 19820, 21802, 25960, 39640, 43604, 54505, 58469, 87208, 109010, 116938, 218020, 233876, 292345, 436040, 467752, 584690, 643159, 1169380, 1286318, 2338760, 2572636, 3215795, 5145272, 6431590, 12863180, 25726360]

約数ペア:

[(1, 25726360), (2, 12863180), (4, 6431590), (5, 5145272), (8, 3215795), (10, 2572636), (11, 2338760), (20, 1286318), (22, 1169380), (40, 643159), (44, 584690), (55, 467752), (59, 436040), (88, 292345), (110, 233876), (118, 218020), (220, 116938), (236, 109010), (295, 87208), (440, 58469), (472, 54505), (590, 43604), (649, 39640), (991, 25960), (1180, 21802), (1298, 19820), (1982, 12980), (2360, 10901), (2596, 9910), (3245, 7928), (3964, 6490), (4955, 5192)]