30871280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35081}}^1$

素因数の和:35105

約数の個数: 40

約数和(自身を含む): 78303024

約数和(自身を除く): 47431744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 35081, 70162, 140324, 175405, 280648, 350810, 385891, 561296, 701620, 771782, 1403240, 1543564, 1929455, 2806480, 3087128, 3858910, 6174256, 7717820, 15435640, 30871280]

約数ペア:

[(1, 30871280), (2, 15435640), (4, 7717820), (5, 6174256), (8, 3858910), (10, 3087128), (11, 2806480), (16, 1929455), (20, 1543564), (22, 1403240), (40, 771782), (44, 701620), (55, 561296), (80, 385891), (88, 350810), (110, 280648), (176, 175405), (220, 140324), (440, 70162), (880, 35081)]