54979720

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6907}}^1$

素因数の和:7117

約数の個数: 32

約数和(自身を含む): 124344000

約数和(自身を除く): 69364280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 6907, 7960, 13814, 27628, 34535, 55256, 69070, 138140, 276280, 1374493, 2748986, 5497972, 6872465, 10995944, 13744930, 27489860, 54979720]

約数ペア:

[(1, 54979720), (2, 27489860), (4, 13744930), (5, 10995944), (8, 6872465), (10, 5497972), (20, 2748986), (40, 1374493), (199, 276280), (398, 138140), (796, 69070), (995, 55256), (1592, 34535), (1990, 27628), (3980, 13814), (6907, 7960)]