25504336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 33741872

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 157, 176, 208, 284, 286, 314, 568, 572, 628, 781, 923, 1136, 1144, 1256, 1562, 1727, 1846, 2041, 2288, 2512, 3124, 3454, 3692, 4082, 6248, 6908, 7384, 8164, 10153, 11147, 12496, 13816, 14768, 16328, 20306, 22294, 22451, 27632, 32656, 40612, 44588, 44902, 81224, 89176, 89804, 122617, 144911, 162448, 178352, 179608, 245234, 289822, 359216, 490468, 579644, 980936, 1159288, 1594021, 1961872, 2318576, 3188042, 6376084, 12752168, 25504336]

約数ペア:

[(1, 25504336), (2, 12752168), (4, 6376084), (8, 3188042), (11, 2318576), (13, 1961872), (16, 1594021), (22, 1159288), (26, 980936), (44, 579644), (52, 490468), (71, 359216), (88, 289822), (104, 245234), (142, 179608), (143, 178352), (157, 162448), (176, 144911), (208, 122617), (284, 89804), (286, 89176), (314, 81224), (568, 44902), (572, 44588), (628, 40612), (781, 32656), (923, 27632), (1136, 22451), (1144, 22294), (1256, 20306), (1562, 16328), (1727, 14768), (1846, 13816), (2041, 12496), (2288, 11147), (2512, 10153), (3124, 8164), (3454, 7384), (3692, 6908), (4082, 6248)]