28998280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3643}}^1$

素因数の和:3853

約数の個数: 32

約数和(自身を含む): 65592000

約数和(自身を除く): 36593720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3643, 3980, 7286, 7960, 14572, 18215, 29144, 36430, 72860, 145720, 724957, 1449914, 2899828, 3624785, 5799656, 7249570, 14499140, 28998280]

約数ペア:

[(1, 28998280), (2, 14499140), (4, 7249570), (5, 5799656), (8, 3624785), (10, 2899828), (20, 1449914), (40, 724957), (199, 145720), (398, 72860), (796, 36430), (995, 29144), (1592, 18215), (1990, 14572), (3643, 7960), (3980, 7286)]