129105320

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{3847}}^1$

素因数の和:4697

約数の個数: 32

約数和(自身を含む): 290908800

約数和(自身を除く): 161803480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 3847, 4195, 6712, 7694, 8390, 15388, 16780, 19235, 30776, 33560, 38470, 76940, 153880, 3227633, 6455266, 12910532, 16138165, 25821064, 32276330, 64552660, 129105320]

約数ペア:

[(1, 129105320), (2, 64552660), (4, 32276330), (5, 25821064), (8, 16138165), (10, 12910532), (20, 6455266), (40, 3227633), (839, 153880), (1678, 76940), (3356, 38470), (3847, 33560), (4195, 30776), (6712, 19235), (7694, 16780), (8390, 15388)]