84604720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55661}}^1$

素因数の和:55693

約数の個数: 40

約数和(自身を含む): 207062640

約数和(自身を除く): 122457920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 55661, 111322, 222644, 278305, 445288, 556610, 890576, 1057559, 1113220, 2115118, 2226440, 4230236, 4452880, 5287795, 8460472, 10575590, 16920944, 21151180, 42302360, 84604720]

約数ペア:

[(1, 84604720), (2, 42302360), (4, 21151180), (5, 16920944), (8, 10575590), (10, 8460472), (16, 5287795), (19, 4452880), (20, 4230236), (38, 2226440), (40, 2115118), (76, 1113220), (80, 1057559), (95, 890576), (152, 556610), (190, 445288), (304, 278305), (380, 222644), (760, 111322), (1520, 55661)]