7917680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5209}}^1$

素因数の和:5241

約数の個数: 40

約数和(自身を含む): 19381200

約数和(自身を除く): 11463520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5209, 10418, 20836, 26045, 41672, 52090, 83344, 98971, 104180, 197942, 208360, 395884, 416720, 494855, 791768, 989710, 1583536, 1979420, 3958840, 7917680]

約数ペア:

[(1, 7917680), (2, 3958840), (4, 1979420), (5, 1583536), (8, 989710), (10, 791768), (16, 494855), (19, 416720), (20, 395884), (38, 208360), (40, 197942), (76, 104180), (80, 98971), (95, 83344), (152, 52090), (190, 41672), (304, 26045), (380, 20836), (760, 10418), (1520, 5209)]