3958840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5209}}^1$

素因数の和:5239

約数の個数: 32

約数和(自身を含む): 9378000

約数和(自身を除く): 5419160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 5209, 10418, 20836, 26045, 41672, 52090, 98971, 104180, 197942, 208360, 395884, 494855, 791768, 989710, 1979420, 3958840]

約数ペア:

[(1, 3958840), (2, 1979420), (4, 989710), (5, 791768), (8, 494855), (10, 395884), (19, 208360), (20, 197942), (38, 104180), (40, 98971), (76, 52090), (95, 41672), (152, 26045), (190, 20836), (380, 10418), (760, 5209)]