25878688

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 57111264

約数和(自身を除く): 31232576

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1628, 1987, 3256, 3974, 6512, 7948, 13024, 15896, 21857, 31792, 43714, 63584, 73519, 87428, 147038, 174856, 294076, 349712, 588152, 699424, 808709, 1176304, 1617418, 2352608, 3234836, 6469672, 12939344, 25878688]

約数ペア:

[(1, 25878688), (2, 12939344), (4, 6469672), (8, 3234836), (11, 2352608), (16, 1617418), (22, 1176304), (32, 808709), (37, 699424), (44, 588152), (74, 349712), (88, 294076), (148, 174856), (176, 147038), (296, 87428), (352, 73519), (407, 63584), (592, 43714), (814, 31792), (1184, 21857), (1628, 15896), (1987, 13024), (3256, 7948), (3974, 6512)]