208366120

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{6619}}^1$

素因数の和:7417

約数の個数: 32

約数和(自身を含む): 469490400

約数和(自身を除く): 261124280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 3148, 3935, 6296, 6619, 7870, 13238, 15740, 26476, 31480, 33095, 52952, 66190, 132380, 264760, 5209153, 10418306, 20836612, 26045765, 41673224, 52091530, 104183060, 208366120]

約数ペア:

[(1, 208366120), (2, 104183060), (4, 52091530), (5, 41673224), (8, 26045765), (10, 20836612), (20, 10418306), (40, 5209153), (787, 264760), (1574, 132380), (3148, 66190), (3935, 52952), (6296, 33095), (6619, 31480), (7870, 26476), (13238, 15740)]