12800656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 27257184

約数和(自身を除く): 14456528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 283, 514, 566, 1028, 1132, 2056, 2264, 2827, 3113, 4112, 4528, 5654, 6226, 11308, 12452, 22616, 24904, 45232, 49808, 72731, 145462, 290924, 581848, 800041, 1163696, 1600082, 3200164, 6400328, 12800656]

約数ペア:

[(1, 12800656), (2, 6400328), (4, 3200164), (8, 1600082), (11, 1163696), (16, 800041), (22, 581848), (44, 290924), (88, 145462), (176, 72731), (257, 49808), (283, 45232), (514, 24904), (566, 22616), (1028, 12452), (1132, 11308), (2056, 6226), (2264, 5654), (2827, 4528), (3113, 4112)]