8480521720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19273913}}^1$

素因数の和:19273935

約数の個数: 32

約数和(自身を含む): 20815827120

約数和(自身を除く): 12335305400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19273913, 38547826, 77095652, 96369565, 154191304, 192739130, 212013043, 385478260, 424026086, 770956520, 848052172, 1060065215, 1696104344, 2120130430, 4240260860, 8480521720]

約数ペア:

[(1, 8480521720), (2, 4240260860), (4, 2120130430), (5, 1696104344), (8, 1060065215), (10, 848052172), (11, 770956520), (20, 424026086), (22, 385478260), (40, 212013043), (44, 192739130), (55, 154191304), (88, 96369565), (110, 77095652), (220, 38547826), (440, 19273913)]