28507120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15493}}^1$

素因数の和:15529

約数の個数: 40

約数和(自身を含む): 69165216

約数和(自身を除く): 40658096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15493, 30986, 61972, 77465, 123944, 154930, 247888, 309860, 356339, 619720, 712678, 1239440, 1425356, 1781695, 2850712, 3563390, 5701424, 7126780, 14253560, 28507120]

約数ペア:

[(1, 28507120), (2, 14253560), (4, 7126780), (5, 5701424), (8, 3563390), (10, 2850712), (16, 1781695), (20, 1425356), (23, 1239440), (40, 712678), (46, 619720), (80, 356339), (92, 309860), (115, 247888), (184, 154930), (230, 123944), (368, 77465), (460, 61972), (920, 30986), (1840, 15493)]