8471480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 20196000

約数和(自身を除く): 11724520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 109, 116, 134, 145, 218, 232, 268, 290, 335, 436, 536, 545, 580, 670, 872, 1090, 1160, 1340, 1943, 2180, 2680, 3161, 3886, 4360, 6322, 7303, 7772, 9715, 12644, 14606, 15544, 15805, 19430, 25288, 29212, 31610, 36515, 38860, 58424, 63220, 73030, 77720, 126440, 146060, 211787, 292120, 423574, 847148, 1058935, 1694296, 2117870, 4235740, 8471480]

約数ペア:

[(1, 8471480), (2, 4235740), (4, 2117870), (5, 1694296), (8, 1058935), (10, 847148), (20, 423574), (29, 292120), (40, 211787), (58, 146060), (67, 126440), (109, 77720), (116, 73030), (134, 63220), (145, 58424), (218, 38860), (232, 36515), (268, 31610), (290, 29212), (335, 25288), (436, 19430), (536, 15805), (545, 15544), (580, 14606), (670, 12644), (872, 9715), (1090, 7772), (1160, 7303), (1340, 6322), (1943, 4360), (2180, 3886), (2680, 3161)]