11505280

素因数分解:

$2^7\times 5^1\times {\mathrm{17977}}^1$

素因数の和:17996

約数の個数: 32

約数和(自身を含む): 27506340

約数和(自身を除く): 16001060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 17977, 35954, 71908, 89885, 143816, 179770, 287632, 359540, 575264, 719080, 1150528, 1438160, 2301056, 2876320, 5752640, 11505280]

約数ペア:

[(1, 11505280), (2, 5752640), (4, 2876320), (5, 2301056), (8, 1438160), (10, 1150528), (16, 719080), (20, 575264), (32, 359540), (40, 287632), (64, 179770), (80, 143816), (128, 89885), (160, 71908), (320, 35954), (640, 17977)]