28504935280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1688681}}^1$

素因数の和:1688905

約数の個数: 40

約数和(自身を含む): 66588108624

約数和(自身を除く): 38083173344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 1688681, 3377362, 6754724, 8443405, 13509448, 16886810, 27018896, 33773620, 67547240, 135094480, 356311691, 712623382, 1425246764, 1781558455, 2850493528, 3563116910, 5700987056, 7126233820, 14252467640, 28504935280]

約数ペア:

[(1, 28504935280), (2, 14252467640), (4, 7126233820), (5, 5700987056), (8, 3563116910), (10, 2850493528), (16, 1781558455), (20, 1425246764), (40, 712623382), (80, 356311691), (211, 135094480), (422, 67547240), (844, 33773620), (1055, 27018896), (1688, 16886810), (2110, 13509448), (3376, 8443405), (4220, 6754724), (8440, 3377362), (16880, 1688681)]