42505840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 111117888

約数和(自身を除く): 68612048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1777, 1840, 2392, 2990, 3554, 4784, 5980, 7108, 8885, 11960, 14216, 17770, 23101, 23920, 28432, 35540, 40871, 46202, 71080, 81742, 92404, 115505, 142160, 163484, 184808, 204355, 231010, 326968, 369616, 408710, 462020, 531323, 653936, 817420, 924040, 1062646, 1634840, 1848080, 2125292, 2656615, 3269680, 4250584, 5313230, 8501168, 10626460, 21252920, 42505840]

約数ペア:

[(1, 42505840), (2, 21252920), (4, 10626460), (5, 8501168), (8, 5313230), (10, 4250584), (13, 3269680), (16, 2656615), (20, 2125292), (23, 1848080), (26, 1634840), (40, 1062646), (46, 924040), (52, 817420), (65, 653936), (80, 531323), (92, 462020), (104, 408710), (115, 369616), (130, 326968), (184, 231010), (208, 204355), (230, 184808), (260, 163484), (299, 142160), (368, 115505), (460, 92404), (520, 81742), (598, 71080), (920, 46202), (1040, 40871), (1196, 35540), (1495, 28432), (1777, 23920), (1840, 23101), (2392, 17770), (2990, 14216), (3554, 11960), (4784, 8885), (5980, 7108)]