139069160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{17471}}^1$

素因数の和:17681

約数の個数: 32

約数和(自身を含む): 314496000

約数和(自身を除く): 175426840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 17471, 34942, 69884, 87355, 139768, 174710, 349420, 698840, 3476729, 6953458, 13906916, 17383645, 27813832, 34767290, 69534580, 139069160]

約数ペア:

[(1, 139069160), (2, 69534580), (4, 34767290), (5, 27813832), (8, 17383645), (10, 13906916), (20, 6953458), (40, 3476729), (199, 698840), (398, 349420), (796, 174710), (995, 139768), (1592, 87355), (1990, 69884), (3980, 34942), (7960, 17471)]