8123670128

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{405211}}^1$

素因数の和:405405

約数の個数: 40

約数和(自身を含む): 18088663680

約数和(自身を除く): 9964993552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 1253, 1432, 2506, 2864, 5012, 10024, 20048, 405211, 810422, 1620844, 2836477, 3241688, 5672954, 6483376, 11345908, 22691816, 45383632, 72532769, 145065538, 290131076, 507729383, 580262152, 1015458766, 1160524304, 2030917532, 4061835064, 8123670128]

約数ペア:

[(1, 8123670128), (2, 4061835064), (4, 2030917532), (7, 1160524304), (8, 1015458766), (14, 580262152), (16, 507729383), (28, 290131076), (56, 145065538), (112, 72532769), (179, 45383632), (358, 22691816), (716, 11345908), (1253, 6483376), (1432, 5672954), (2506, 3241688), (2864, 2836477), (5012, 1620844), (10024, 810422), (20048, 405211)]