25896208

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 60

約数和(自身を含む): 55572708

約数和(自身を除く): 29676500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 157, 169, 208, 244, 314, 338, 488, 628, 676, 793, 976, 1256, 1352, 1586, 2041, 2512, 2704, 3172, 4082, 6344, 8164, 9577, 10309, 12688, 16328, 19154, 20618, 26533, 32656, 38308, 41236, 53066, 76616, 82472, 106132, 124501, 153232, 164944, 212264, 249002, 424528, 498004, 996008, 1618513, 1992016, 3237026, 6474052, 12948104, 25896208]

約数ペア:

[(1, 25896208), (2, 12948104), (4, 6474052), (8, 3237026), (13, 1992016), (16, 1618513), (26, 996008), (52, 498004), (61, 424528), (104, 249002), (122, 212264), (157, 164944), (169, 153232), (208, 124501), (244, 106132), (314, 82472), (338, 76616), (488, 53066), (628, 41236), (676, 38308), (793, 32656), (976, 26533), (1256, 20618), (1352, 19154), (1586, 16328), (2041, 12688), (2512, 10309), (2704, 9577), (3172, 8164), (4082, 6344)]