54848840

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3929}}^1$

素因数の和:4289

約数の個数: 32

約数和(自身を含む): 123795000

約数和(自身を除く): 68946160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 3929, 6980, 7858, 13960, 15716, 19645, 31432, 39290, 78580, 157160, 1371221, 2742442, 5484884, 6856105, 10969768, 13712210, 27424420, 54848840]

約数ペア:

[(1, 54848840), (2, 27424420), (4, 13712210), (5, 10969768), (8, 6856105), (10, 5484884), (20, 2742442), (40, 1371221), (349, 157160), (698, 78580), (1396, 39290), (1745, 31432), (2792, 19645), (3490, 15716), (3929, 13960), (6980, 7858)]