8656960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2111

約数の個数: 56

約数和(自身を含む): 22210776

約数和(自身を除く): 13553816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 2081, 4160, 4162, 8324, 10405, 16648, 20810, 27053, 33296, 41620, 54106, 66592, 83240, 108212, 133184, 135265, 166480, 216424, 270530, 332960, 432848, 541060, 665920, 865696, 1082120, 1731392, 2164240, 4328480, 8656960]

約数ペア:

[(1, 8656960), (2, 4328480), (4, 2164240), (5, 1731392), (8, 1082120), (10, 865696), (13, 665920), (16, 541060), (20, 432848), (26, 332960), (32, 270530), (40, 216424), (52, 166480), (64, 135265), (65, 133184), (80, 108212), (104, 83240), (130, 66592), (160, 54106), (208, 41620), (260, 33296), (320, 27053), (416, 20810), (520, 16648), (832, 10405), (1040, 8324), (2080, 4162), (2081, 4160)]