16927280

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{463}}^1$

素因数の和:933

約数の個数: 40

約数和(自身を含む): 39527232

約数和(自身を除く): 22599952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 463, 914, 926, 1828, 1852, 2285, 2315, 3656, 3704, 4570, 4630, 7312, 7408, 9140, 9260, 18280, 18520, 36560, 37040, 211591, 423182, 846364, 1057955, 1692728, 2115910, 3385456, 4231820, 8463640, 16927280]

約数ペア:

[(1, 16927280), (2, 8463640), (4, 4231820), (5, 3385456), (8, 2115910), (10, 1692728), (16, 1057955), (20, 846364), (40, 423182), (80, 211591), (457, 37040), (463, 36560), (914, 18520), (926, 18280), (1828, 9260), (1852, 9140), (2285, 7408), (2315, 7312), (3656, 4630), (3704, 4570)]