16538840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17977}}^1$

素因数の和:18011

約数の個数: 32

約数和(自身を含む): 38832480

約数和(自身を除く): 22293640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 17977, 35954, 71908, 89885, 143816, 179770, 359540, 413471, 719080, 826942, 1653884, 2067355, 3307768, 4134710, 8269420, 16538840]

約数ペア:

[(1, 16538840), (2, 8269420), (4, 4134710), (5, 3307768), (8, 2067355), (10, 1653884), (20, 826942), (23, 719080), (40, 413471), (46, 359540), (92, 179770), (115, 143816), (184, 89885), (230, 71908), (460, 35954), (920, 17977)]