80080510520

素因数分解:

$2^3\times 5^1\times {\mathrm{15971}}^1\times {\mathrm{125353}}^1$

素因数の和:141335

約数の個数: 32

約数和(自身を含む): 180193867920

約数和(自身を除く): 100113357400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15971, 31942, 63884, 79855, 125353, 127768, 159710, 250706, 319420, 501412, 626765, 638840, 1002824, 1253530, 2507060, 5014120, 2002012763, 4004025526, 8008051052, 10010063815, 16016102104, 20020127630, 40040255260, 80080510520]

約数ペア:

[(1, 80080510520), (2, 40040255260), (4, 20020127630), (5, 16016102104), (8, 10010063815), (10, 8008051052), (20, 4004025526), (40, 2002012763), (15971, 5014120), (31942, 2507060), (63884, 1253530), (79855, 1002824), (125353, 638840), (127768, 626765), (159710, 501412), (250706, 319420)]