25157968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 53496576

約数和(自身を除く): 28338608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 223, 446, 641, 892, 1282, 1784, 2453, 2564, 3568, 4906, 5128, 7051, 9812, 10256, 14102, 19624, 28204, 39248, 56408, 112816, 142943, 285886, 571772, 1143544, 1572373, 2287088, 3144746, 6289492, 12578984, 25157968]

約数ペア:

[(1, 25157968), (2, 12578984), (4, 6289492), (8, 3144746), (11, 2287088), (16, 1572373), (22, 1143544), (44, 571772), (88, 285886), (176, 142943), (223, 112816), (446, 56408), (641, 39248), (892, 28204), (1282, 19624), (1784, 14102), (2453, 10256), (2564, 9812), (3568, 7051), (4906, 5128)]