78028880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42407}}^1$

素因数の和:42443

約数の個数: 40

約数和(自身を含む): 189309312

約数和(自身を除く): 111280432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42407, 84814, 169628, 212035, 339256, 424070, 678512, 848140, 975361, 1696280, 1950722, 3392560, 3901444, 4876805, 7802888, 9753610, 15605776, 19507220, 39014440, 78028880]

約数ペア:

[(1, 78028880), (2, 39014440), (4, 19507220), (5, 15605776), (8, 9753610), (10, 7802888), (16, 4876805), (20, 3901444), (23, 3392560), (40, 1950722), (46, 1696280), (80, 975361), (92, 848140), (115, 678512), (184, 424070), (230, 339256), (368, 212035), (460, 169628), (920, 84814), (1840, 42407)]