8913880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9689}}^1$

素因数の和:9723

約数の個数: 32

約数和(自身を含む): 20930400

約数和(自身を除く): 12016520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 9689, 19378, 38756, 48445, 77512, 96890, 193780, 222847, 387560, 445694, 891388, 1114235, 1782776, 2228470, 4456940, 8913880]

約数ペア:

[(1, 8913880), (2, 4456940), (4, 2228470), (5, 1782776), (8, 1114235), (10, 891388), (20, 445694), (23, 387560), (40, 222847), (46, 193780), (92, 96890), (115, 77512), (184, 48445), (230, 38756), (460, 19378), (920, 9689)]