127959560

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{3527}}^1$

素因数の和:4445

約数の個数: 32

約数和(自身を含む): 288308160

約数和(自身を除く): 160348600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3527, 3628, 4535, 7054, 7256, 9070, 14108, 17635, 18140, 28216, 35270, 36280, 70540, 141080, 3198989, 6397978, 12795956, 15994945, 25591912, 31989890, 63979780, 127959560]

約数ペア:

[(1, 127959560), (2, 63979780), (4, 31989890), (5, 25591912), (8, 15994945), (10, 12795956), (20, 6397978), (40, 3198989), (907, 141080), (1814, 70540), (3527, 36280), (3628, 35270), (4535, 28216), (7054, 18140), (7256, 17635), (9070, 14108)]