127699720

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10399}}^1$

素因数の和:10717

約数の個数: 32

約数和(自身を含む): 288288000

約数和(自身を除く): 160588280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 10399, 12280, 20798, 41596, 51995, 83192, 103990, 207980, 415960, 3192493, 6384986, 12769972, 15962465, 25539944, 31924930, 63849860, 127699720]

約数ペア:

[(1, 127699720), (2, 63849860), (4, 31924930), (5, 25539944), (8, 15962465), (10, 12769972), (20, 6384986), (40, 3192493), (307, 415960), (614, 207980), (1228, 103990), (1535, 83192), (2456, 51995), (3070, 41596), (6140, 20798), (10399, 12280)]